122637134387968 has 72 divisors (see below), whose sum is σ = 256210209351936. Its totient is φ = 58475343590400.

The previous prime is 122637134387939. The next prime is 122637134387969. The reversal of 122637134387968 is 869783431736221.

It is a super-3 number, since 3×122637134387968³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122637134387897 and 122637134387906.

It is not an unprimeable number, because it can be changed into a prime (122637134387969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29513788 + ... + 33411643.

It is an arithmetic number, because the mean of its divisors is an integer number (3558475129888).

Almost surely, 2^{122637134387968} is an apocalyptic number.

It is an amenable number.

122637134387968 is an abundant number, since it is smaller than the sum of its proper divisors (133573074963968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122637134387968 is an equidigital number, since it uses as much as digits as its factorization.

122637134387968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62925801 (or 62925787 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 70.

The spelling of 122637134387968 in words is "one hundred twenty-two trillion, six hundred thirty-seven billion, one hundred thirty-four million, three hundred eighty-seven thousand, nine hundred sixty-eight".