122071275769 has 3 divisors (see below), whose sum is σ = 122071625157. Its totient is φ = 122070926382.

The previous prime is 122071275737. The next prime is 122071275787. The reversal of 122071275769 is 967572170221.

The square root of 122071275769 is 349387.

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 is not a de Polignac number, because 122071275769 - 2⁵ = 122071275737 is a prime.

It is a super-2 number, since 2×122071275769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122071275169) 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 2 ways as a sum of consecutive naturals, for example, 174694 + ... + 524080.

It is an arithmetic number, because the mean of its divisors is an integer number (40690541719).

Almost surely, 2^122071275769 is an apocalyptic number.

122071275769 is the 349387-th square number.

122071275769 is the 174694-th centered octagonal number.

It is an amenable number.

122071275769 is a deficient number, since it is larger than the sum of its proper divisors (349388).

122071275769 is an frugal number, since it uses more digits than its factorization.

122071275769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698774 (or 349387 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 49.

Multiplying 122071275769 by its sum of digits (49), we get a square (5981492512681 = 2445709²).

The spelling of 122071275769 in words is "one hundred twenty-two billion, seventy-one million, two hundred seventy-five thousand, seven hundred sixty-nine".