122154272 has 24 divisors (see below), whose sum is σ = 241046316. Its totient is φ = 60936192.

The previous prime is 122154259. The next prime is 122154283. The reversal of 122154272 is 272451221.

It can be written as a sum of positive squares in 2 ways, for example, as 112444816 + 9709456 = 10604^2 + 3116^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10448 + ... + 18800.

Almost surely, 2^122154272 is an apocalyptic number.

It is an amenable number.

122154272 is a deficient number, since it is larger than the sum of its proper divisors (118892044).

122154272 is an equidigital number, since it uses as much as digits as its factorization.

122154272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8820 (or 8812 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 122154272 is about 11052.3423761662. The cubic root of 122154272 is about 496.1765327225.

The spelling of 122154272 in words is "one hundred twenty-two million, one hundred fifty-four thousand, two hundred seventy-two".