124784916 has 12 divisors (see below), whose sum is σ = 291164832. Its totient is φ = 41594968.

The previous prime is 124784909. The next prime is 124784917. The reversal of 124784916 is 619487421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×124784916² = 31142550522254112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124784917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5199360 + ... + 5199383.

It is an arithmetic number, because the mean of its divisors is an integer number (24263736).

Almost surely, 2^124784916 is an apocalyptic number.

It is an amenable number.

124784916 is an abundant number, since it is smaller than the sum of its proper divisors (166379916).

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

124784916 is a wasteful number, since it uses less digits than its factorization.

124784916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10398750 (or 10398748 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 124784916 is about 11170.7168973168. The cubic root of 124784916 is about 499.7130566919.

The spelling of 124784916 in words is "one hundred twenty-four million, seven hundred eighty-four thousand, nine hundred sixteen".