122581118 has 16 divisors (see below), whose sum is σ = 212387184. Its totient is φ = 52440960.

The previous prime is 122581117. The next prime is 122581127. The reversal of 122581118 is 811185221.

It is a super-2 number, since 2×122581118² = 30052260980259848, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122581117) 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, 163505 + ... + 164252.

It is an arithmetic number, because the mean of its divisors is an integer number (13274199).

Almost surely, 2^122581118 is an apocalyptic number.

122581118 is a deficient number, since it is larger than the sum of its proper divisors (89806066).

122581118 is a wasteful number, since it uses less digits than its factorization.

122581118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327787.

The product of its digits is 1280, while the sum is 29.

The square root of 122581118 is about 11071.6357418405. The cubic root of 122581118 is about 496.7537939027.

The spelling of 122581118 in words is "one hundred twenty-two million, five hundred eighty-one thousand, one hundred eighteen".