124978 has 16 divisors (see below), whose sum is σ = 218880. Its totient is φ = 52416.

The previous prime is 124951. The next prime is 124979. The reversal of 124978 is 879421.

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 7 ways as a sum of consecutive naturals, for example, 1050 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

124978 is a Friedman number, since it can be written as 8927*14, using all its digits and the basic arithmetic operations.

2¹²⁴⁹⁷⁸ is an apocalyptic number.

124978 is a deficient number, since it is larger than the sum of its proper divisors (93902).

124978 is a wasteful number, since it uses less digits than its factorization.

124978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201.

The product of its digits is 4032, while the sum is 31.

The square root of 124978 is about 353.5222765258. The cubic root of 124978 is about 49.9970664946.

The spelling of 124978 in words is "one hundred twenty-four thousand, nine hundred seventy-eight".