122861516 has 24 divisors (see below), whose sum is σ = 235509120. Its totient is φ = 55822592.

The previous prime is 122861507. The next prime is 122861527. The reversal of 122861516 is 615168221.

It is a super-2 number, since 2×122861516² = 30189904227636512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29180 + ... + 33123.

It is an arithmetic number, because the mean of its divisors is an integer number (9812880).

Almost surely, 2^122861516 is an apocalyptic number.

It is an amenable number.

122861516 is a deficient number, since it is larger than the sum of its proper divisors (112647604).

122861516 is a wasteful number, since it uses less digits than its factorization.

122861516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62353 (or 62351 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 122861516 is about 11084.2914072123. The cubic root of 122861516 is about 497.1322717140.

The spelling of 122861516 in words is "one hundred twenty-two million, eight hundred sixty-one thousand, five hundred sixteen".