122656735007 has 12 divisors (see below), whose sum is σ = 125080713744. Its totient is φ = 120278895360.

The previous prime is 122656734923. The next prime is 122656735009. The reversal of 122656735007 is 700537656221.

It is not a de Polignac number, because 122656735007 - 2²⁰ = 122655686431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122656735009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5835038 + ... + 5856020.

It is an arithmetic number, because the mean of its divisors is an integer number (10423392812).

Almost surely, 2^122656735007 is an apocalyptic number.

122656735007 is a deficient number, since it is larger than the sum of its proper divisors (2423978737).

122656735007 is an equidigital number, since it uses as much as digits as its factorization.

122656735007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23170 (or 23117 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 122656735007 in words is "one hundred twenty-two billion, six hundred fifty-six million, seven hundred thirty-five thousand, seven".