124212122 has 12 divisors (see below), whose sum is σ = 190757610. Its totient is φ = 60659928.

The previous prime is 124212107. The next prime is 124212161. The reversal of 124212122 is 221212421.

It can be written as a sum of positive squares in only one way, i.e., 68873401 + 55338721 = 8299^2 + 7439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 124212122.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13097 + ... + 20492.

Almost surely, 2^124212122 is an apocalyptic number.

124212122 is a deficient number, since it is larger than the sum of its proper divisors (66545488).

124212122 is an equidigital number, since it uses as much as digits as its factorization.

124212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33677 (or 33634 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 124212122 is about 11145.0492147859. The cubic root of 124212122 is about 498.9472811214.

Adding to 124212122 its reverse (221212421), we get a palindrome (345424543).

The spelling of 124212122 in words is "one hundred twenty-four million, two hundred twelve thousand, one hundred twenty-two".