122152554 has 12 divisors (see below), whose sum is σ = 264663906. Its totient is φ = 40717512.

The previous prime is 122152549. The next prime is 122152573. The reversal of 122152554 is 455251221.

It can be written as a sum of positive squares in only one way, i.e., 83997225 + 38155329 = 9165^2 + 6177^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3393109 + ... + 3393144.

Almost surely, 2^122152554 is an apocalyptic number.

122152554 is an abundant number, since it is smaller than the sum of its proper divisors (142511352).

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

122152554 is a wasteful number, since it uses less digits than its factorization.

122152554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786261 (or 6786258 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 122152554 is about 11052.2646548117. The cubic root of 122152554 is about 496.1742066058.

The spelling of 122152554 in words is "one hundred twenty-two million, one hundred fifty-two thousand, five hundred fifty-four".