122451112 has 16 divisors (see below), whose sum is σ = 262395360. Its totient is φ = 52479024.

The previous prime is 122451097. The next prime is 122451113. The reversal of 122451112 is 211154221.

It is a self number, because there is not a number n which added to its sum of digits gives 122451112.

It is not an unprimeable number, because it can be changed into a prime (122451113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093258 + ... + 1093369.

It is an arithmetic number, because the mean of its divisors is an integer number (16399710).

Almost surely, 2^122451112 is an apocalyptic number.

It is an amenable number.

122451112 is an abundant number, since it is smaller than the sum of its proper divisors (139944248).

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

122451112 is a wasteful number, since it uses less digits than its factorization.

122451112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186640 (or 2186636 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 122451112 is about 11065.7630554788. The cubic root of 122451112 is about 496.5781175311.

The spelling of 122451112 in words is "one hundred twenty-two million, four hundred fifty-one thousand, one hundred twelve".