124878 has 16 divisors (see below), whose sum is σ = 269136. Its totient is φ = 38400.

The previous prime is 124853. The next prime is 124897. The reversal of 124878 is 878421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723 + ... + 878.

It is an arithmetic number, because the mean of its divisors is an integer number (16821).

2¹²⁴⁸⁷⁸ is an apocalyptic number.

124878 is an abundant number, since it is smaller than the sum of its proper divisors (144258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124878 is a wasteful number, since it uses less digits than its factorization.

124878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its digits is 3584, while the sum is 30.

The square root of 124878 is about 353.3808144198. The cubic root of 124878 is about 49.9837280384.

It can be divided in two parts, 1248 and 78, that multiplied together give a square (97344 = 312²).

The spelling of 124878 in words is "one hundred twenty-four thousand, eight hundred seventy-eight".