120376818459769 has 3 divisors (see below), whose sum is σ = 120376829431407. Its totient is φ = 120376807488132.

The previous prime is 120376818459739. The next prime is 120376818459787. The reversal of 120376818459769 is 967954818673021.

The square root of 120376818459769 is 10971637.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 70936063746025 + 49440754713744 = 8422355^2 + 7031412^2 .

It is a de Polignac number, because none of the positive numbers 2^k-120376818459769 is a prime.

It is a super-2 number, since 2×120376818459769² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120376818459695 and 120376818459704.

It is not an unprimeable number, because it can be changed into a prime (120376818459739) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5485819 + ... + 16457455.

It is an arithmetic number, because the mean of its divisors is an integer number (40125609810469).

It is a 2-persistent number, because it is pandigital, and so is 2⋅120376818459769 = 240753636919538, but 3⋅120376818459769 = 361130455379307 is not.

Almost surely, 2^{120376818459769} is an apocalyptic number.

120376818459769 is the 10971637-th square number.

120376818459769 is the 5485819-th centered octagonal number.

It is an amenable number.

120376818459769 is a deficient number, since it is larger than the sum of its proper divisors (10971638).

120376818459769 is an frugal number, since it uses more digits than its factorization.

120376818459769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21943274 (or 10971637 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 76.

The spelling of 120376818459769 in words is "one hundred twenty trillion, three hundred seventy-six billion, eight hundred eighteen million, four hundred fifty-nine thousand, seven hundred sixty-nine".