124399677 has 4 divisors (see below), whose sum is σ = 165866240. Its totient is φ = 82933116.

The previous prime is 124399643. The next prime is 124399703. The reversal of 124399677 is 776993421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124399677 - 2¹⁰ = 124398653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124399607) 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, 20733277 + ... + 20733282.

It is an arithmetic number, because the mean of its divisors is an integer number (41466560).

Almost surely, 2^124399677 is an apocalyptic number.

It is an amenable number.

124399677 is a deficient number, since it is larger than the sum of its proper divisors (41466563).

124399677 is an equidigital number, since it uses as much as digits as its factorization.

124399677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41466562.

The product of its digits is 571536, while the sum is 48.

The square root of 124399677 is about 11153.4603150771. The cubic root of 124399677 is about 499.1982845250.

The spelling of 124399677 in words is "one hundred twenty-four million, three hundred ninety-nine thousand, six hundred seventy-seven".