122554157402 has 16 divisors (see below), whose sum is σ = 186626515560. Its totient is φ = 60347814912.

The previous prime is 122554157393. The next prime is 122554157417. The reversal of 122554157402 is 204751455221.

It can be written as a sum of positive squares in 4 ways, for example, as 117725158321 + 4828999081 = 343111^2 + 69491^2 .

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, 525377 + ... + 721892.

Almost surely, 2^122554157402 is an apocalyptic number.

122554157402 is a deficient number, since it is larger than the sum of its proper divisors (64072358158).

122554157402 is a wasteful number, since it uses less digits than its factorization.

122554157402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248017.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 122554157402 in words is "one hundred twenty-two billion, five hundred fifty-four million, one hundred fifty-seven thousand, four hundred two".