124713981 has 24 divisors (see below), whose sum is σ = 214830720. Its totient is φ = 68165856.

The previous prime is 124713947. The next prime is 124713991. The reversal of 124713981 is 189317421.

It is a happy number.

It is not a de Polignac number, because 124713981 - 2⁶ = 124713917 is a prime.

It is a super-2 number, since 2×124713981² = 31107154113736722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124713991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41586 + ... + 44483.

It is an arithmetic number, because the mean of its divisors is an integer number (8951280).

Almost surely, 2^124713981 is an apocalyptic number.

It is an amenable number.

124713981 is a deficient number, since it is larger than the sum of its proper divisors (90116739).

124713981 is a wasteful number, since it uses less digits than its factorization.

124713981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86105 (or 86102 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 124713981 is about 11167.5414035498. The cubic root of 124713981 is about 499.6183500942.

The spelling of 124713981 in words is "one hundred twenty-four million, seven hundred thirteen thousand, nine hundred eighty-one".