120874428901 has 4 divisors (see below), whose sum is σ = 122120557132. Its totient is φ = 119628300672.

The previous prime is 120874428889. The next prime is 120874428911. The reversal of 120874428901 is 109824478021.

It is a Cunningham number, because it is equal to 347670²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109824478021 = 17 ⋅6460263413.

It can be written as a sum of positive squares in 2 ways, for example, as 54276884676 + 66597544225 = 232974^2 + 258065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120874428901 is a prime.

It is a super-2 number, since 2×120874428901² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120874428911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623063970 + ... + 623064163.

It is an arithmetic number, because the mean of its divisors is an integer number (30530139283).

Almost surely, 2^120874428901 is an apocalyptic number.

It is an amenable number.

120874428901 is a deficient number, since it is larger than the sum of its proper divisors (1246128231).

120874428901 is an equidigital number, since it uses as much as digits as its factorization.

120874428901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246128230.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 120874428901 in words is "one hundred twenty billion, eight hundred seventy-four million, four hundred twenty-eight thousand, nine hundred one".