124977 has 4 divisors (see below), whose sum is σ = 166640. Its totient is φ = 83316.

The previous prime is 124951. The next prime is 124979. The reversal of 124977 is 779421.

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 124977 - 2⁸ = 124721 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (124979) 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, 20827 + ... + 20832.

It is an arithmetic number, because the mean of its divisors is an integer number (41660).

2¹²⁴⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

124977 is a deficient number, since it is larger than the sum of its proper divisors (41663).

124977 is an equidigital number, since it uses as much as digits as its factorization.

124977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41662.

The product of its digits is 3528, while the sum is 30.

The square root of 124977 is about 353.5208621850. The cubic root of 124977 is about 49.9969331452.

It can be divided in two parts, 1249 and 77, that added together give a triangular number (1326 = T₅₁).

The spelling of 124977 in words is "one hundred twenty-four thousand, nine hundred seventy-seven".