124987887 has 16 divisors (see below), whose sum is σ = 190173280. Its totient is φ = 81072576.

The previous prime is 124987879. The next prime is 124987943. The reversal of 124987887 is 788789421.

It is a happy number.

124987887 is a `hidden beast` number, since 1 + 2 + 498 + 78 + 87 = 666.

It is not a de Polignac number, because 124987887 - 2³ = 124987879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124987817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61558 + ... + 63555.

It is an arithmetic number, because the mean of its divisors is an integer number (11885830).

Almost surely, 2^124987887 is an apocalyptic number.

124987887 is a deficient number, since it is larger than the sum of its proper divisors (65185393).

124987887 is a wasteful number, since it uses less digits than its factorization.

124987887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125159 (or 125153 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 124987887 is about 11179.7981645466. The cubic root of 124987887 is about 499.9838488116.

The spelling of 124987887 in words is "one hundred twenty-four million, nine hundred eighty-seven thousand, eight hundred eighty-seven".