122628154 has 16 divisors (see below), whose sum is σ = 200837376. Its totient is φ = 55692000.

The previous prime is 122628127. The next prime is 122628173. The reversal of 122628154 is 451826221.

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, 41494 + ... + 44350.

It is an arithmetic number, because the mean of its divisors is an integer number (12552336).

Almost surely, 2^122628154 is an apocalyptic number.

122628154 is a deficient number, since it is larger than the sum of its proper divisors (78209222).

122628154 is a wasteful number, since it uses less digits than its factorization.

122628154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821.

The product of its digits is 7680, while the sum is 31.

The square root of 122628154 is about 11073.7597048157. The cubic root of 122628154 is about 496.8173227831.

The spelling of 122628154 in words is "one hundred twenty-two million, six hundred twenty-eight thousand, one hundred fifty-four".