124013987 has 4 divisors (see below), whose sum is σ = 125151840. Its totient is φ = 122876136.

The previous prime is 124013951. The next prime is 124014029. The reversal of 124013987 is 789310421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789310421 = 6011 ⋅131311.

It is not a de Polignac number, because 124013987 - 2¹⁰ = 124012963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124013917) 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, 568763 + ... + 568980.

It is an arithmetic number, because the mean of its divisors is an integer number (31287960).

Almost surely, 2^124013987 is an apocalyptic number.

124013987 is a deficient number, since it is larger than the sum of its proper divisors (1137853).

124013987 is a wasteful number, since it uses less digits than its factorization.

124013987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137852.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 124013987 is about 11136.1567427906. The cubic root of 124013987 is about 498.6818439832.

It can be divided in two parts, 124013 and 987, that added together give a cube (125000 = 50³).

The spelling of 124013987 in words is "one hundred twenty-four million, thirteen thousand, nine hundred eighty-seven".