122055816 has 64 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 39583040.

The previous prime is 122055799. The next prime is 122055821. The reversal of 122055816 is 618550221.

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, 141001 + ... + 141863.

It is an arithmetic number, because the mean of its divisors is an integer number (4898880).

Almost surely, 2^122055816 is an apocalyptic number.

It is an amenable number.

122055816 is an abundant number, since it is smaller than the sum of its proper divisors (191472504).

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

122055816 is a wasteful number, since it uses less digits than its factorization.

122055816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 122055816 is about 11047.8873998607. The cubic root of 122055816 is about 496.0431912614.

The spelling of 122055816 in words is "one hundred twenty-two million, fifty-five thousand, eight hundred sixteen".