124979866 has 16 divisors (see below), whose sum is σ = 204972768. Its totient is φ = 56681200.

The previous prime is 124979863. The next prime is 124979867. The reversal of 124979866 is 668979421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (124979863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981 + ... + 16303.

It is an arithmetic number, because the mean of its divisors is an integer number (12810798).

Almost surely, 2^124979866 is an apocalyptic number.

124979866 is a deficient number, since it is larger than the sum of its proper divisors (79992902).

124979866 is a wasteful number, since it uses less digits than its factorization.

124979866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797.

The product of its digits is 1306368, while the sum is 52.

The square root of 124979866 is about 11179.4394313847. The cubic root of 124979866 is about 499.9731532252.

The spelling of 124979866 in words is "one hundred twenty-four million, nine hundred seventy-nine thousand, eight hundred sixty-six".