124512122 has 16 divisors (see below), whose sum is σ = 213736320. Its totient is φ = 53290608.

The previous prime is 124512107. The next prime is 124512127. The reversal of 124512122 is 221215421.

It is a junction number, because it is equal to n+sod(n) for n = 124512094 and 124512103.

It is not an unprimeable number, because it can be changed into a prime (124512127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5579 + ... + 16737.

It is an arithmetic number, because the mean of its divisors is an integer number (13358520).

Almost surely, 2^124512122 is an apocalyptic number.

It is a pronic number, being equal to 11158×11159.

124512122 is a deficient number, since it is larger than the sum of its proper divisors (89224198).

124512122 is a wasteful number, since it uses less digits than its factorization.

124512122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965.

The product of its digits is 320, while the sum is 20.

The square root of 124512122 is about 11158.4999887978. The cubic root of 124512122 is about 499.3486478492.

Adding to 124512122 its reverse (221215421), we get a palindrome (345727543).

The spelling of 124512122 in words is "one hundred twenty-four million, five hundred twelve thousand, one hundred twenty-two".