124870 has 8 divisors (see below), whose sum is σ = 224784. Its totient is φ = 49944.

The previous prime is 124853. The next prime is 124897. The reversal of 124870 is 78421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6234 + ... + 6253.

It is an arithmetic number, because the mean of its divisors is an integer number (28098).

2¹²⁴⁸⁷⁰ is an apocalyptic number.

124870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124870 is a deficient number, since it is larger than the sum of its proper divisors (99914).

124870 is a wasteful number, since it uses less digits than its factorization.

124870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12494.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 124870 is about 353.3694950049. The cubic root of 124870 is about 49.9826606543.

It can be divided in two parts, 124 and 870, that multiplied together give a triangular number (107880 = T₄₆₄).

The spelling of 124870 in words is "one hundred twenty-four thousand, eight hundred seventy".