122455842 has 16 divisors (see below), whose sum is σ = 245037312. Its totient is φ = 40797680.

The previous prime is 122455819. The next prime is 122455843. The reversal of 122455842 is 248554221.

It is not an unprimeable number, because it can be changed into a prime (122455843) 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, 11608 + ... + 19484.

It is an arithmetic number, because the mean of its divisors is an integer number (15314832).

Almost surely, 2^122455842 is an apocalyptic number.

122455842 is an abundant number, since it is smaller than the sum of its proper divisors (122581470).

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

122455842 is a wasteful number, since it uses less digits than its factorization.

122455842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10473.

The product of its digits is 25600, while the sum is 33.

The square root of 122455842 is about 11065.9767756850. The cubic root of 122455842 is about 496.5845113325.

The spelling of 122455842 in words is "one hundred twenty-two million, four hundred fifty-five thousand, eight hundred forty-two".