100124812 has 24 divisors (see below), whose sum is σ = 184150736. Its totient is φ = 47573568.

The previous prime is 100124807. The next prime is 100124863. The reversal of 100124812 is 218421001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100124812.

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, 1503 + ... + 14230.

Almost surely, 2^100124812 is an apocalyptic number.

It is an amenable number.

100124812 is a deficient number, since it is larger than the sum of its proper divisors (84025924).

100124812 is a wasteful number, since it uses less digits than its factorization.

100124812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15817 (or 15815 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 100124812 is about 10006.2386539598. The cubic root of 100124812 is about 464.3519117378.

Adding to 100124812 its reverse (218421001), we get a palindrome (318545813).

The spelling of 100124812 in words is "one hundred million, one hundred twenty-four thousand, eight hundred twelve".