100124120402 has 16 divisors (see below), whose sum is σ = 151180097112. Its totient is φ = 49731534720.

The previous prime is 100124120399. The next prime is 100124120423. The reversal of 100124120402 is 204021421001.

It can be written as a sum of positive squares in 4 ways, for example, as 99640604281 + 483516121 = 315659^2 + 21989^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62702 + ... + 451862.

Almost surely, 2^100124120402 is an apocalyptic number.

100124120402 is a deficient number, since it is larger than the sum of its proper divisors (51055976710).

100124120402 is a wasteful number, since it uses less digits than its factorization.

100124120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390013.

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

Adding to 100124120402 its reverse (204021421001), we get a palindrome (304145541403).

The spelling of 100124120402 in words is "one hundred billion, one hundred twenty-four million, one hundred twenty thousand, four hundred two".