122158127604 has 48 divisors (see below), whose sum is σ = 301841140608. Its totient is φ = 38319203328.

The previous prime is 122158127573. The next prime is 122158127681. The reversal of 122158127604 is 406721851221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1762632 + ... + 1830624.

It is an arithmetic number, because the mean of its divisors is an integer number (6288357096).

Almost surely, 2^122158127604 is an apocalyptic number.

It is an amenable number.

122158127604 is an abundant number, since it is smaller than the sum of its proper divisors (179683013004).

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

122158127604 is a wasteful number, since it uses less digits than its factorization.

122158127604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76824 (or 76822 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

Adding to 122158127604 its reverse (406721851221), we get a palindrome (528879978825).

The spelling of 122158127604 in words is "one hundred twenty-two billion, one hundred fifty-eight million, one hundred twenty-seven thousand, six hundred four".