122076664731 has 16 divisors (see below), whose sum is σ = 206690649600. Its totient is φ = 69758094024.

The previous prime is 122076664693. The next prime is 122076664733. The reversal of 122076664731 is 137466670221.

It is not a de Polignac number, because 122076664731 - 2¹¹ = 122076662683 is a prime.

It is a super-2 number, since 2×122076664731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122076664733) 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 15 ways as a sum of consecutive naturals, for example, 322953951 + ... + 322954328.

It is an arithmetic number, because the mean of its divisors is an integer number (12918165600).

Almost surely, 2^122076664731 is an apocalyptic number.

122076664731 is a deficient number, since it is larger than the sum of its proper divisors (84613984869).

122076664731 is an equidigital number, since it uses as much as digits as its factorization.

122076664731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645908295 (or 645908289 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 122076664731 in words is "one hundred twenty-two billion, seventy-six million, six hundred sixty-four thousand, seven hundred thirty-one".