124402122 has 32 divisors (see below), whose sum is σ = 297716160. Its totient is φ = 38277360.

The previous prime is 124402121. The next prime is 124402127. The reversal of 124402122 is 221204421.

124402122 is a `hidden beast` number, since 12 + 440 + 212 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 124402095 and 124402104.

It is not an unprimeable number, because it can be changed into a prime (124402121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87904 + ... + 89307.

It is an arithmetic number, because the mean of its divisors is an integer number (9303630).

Almost surely, 2^124402122 is an apocalyptic number.

124402122 is an abundant number, since it is smaller than the sum of its proper divisors (173314038).

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

124402122 is a wasteful number, since it uses less digits than its factorization.

124402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177235 (or 177229 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 124402122 is about 11153.5699217784. The cubic root of 124402122 is about 499.2015549831.

Adding to 124402122 its reverse (221204421), we get a palindrome (345606543).

The spelling of 124402122 in words is "one hundred twenty-four million, four hundred two thousand, one hundred twenty-two".