124551887 has 4 divisors (see below), whose sum is σ = 125785176. Its totient is φ = 123318600.

The previous prime is 124551883. The next prime is 124551913. The reversal of 124551887 is 788155421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124551887 - 2² = 124551883 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 (124551883) 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, 616493 + ... + 616694.

It is an arithmetic number, because the mean of its divisors is an integer number (31446294).

Almost surely, 2^124551887 is an apocalyptic number.

124551887 is a deficient number, since it is larger than the sum of its proper divisors (1233289).

124551887 is a wasteful number, since it uses less digits than its factorization.

124551887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233288.

The product of its digits is 89600, while the sum is 41.

The square root of 124551887 is about 11160.2816720726. The cubic root of 124551887 is about 499.4018006004.

The spelling of 124551887 in words is "one hundred twenty-four million, five hundred fifty-one thousand, eight hundred eighty-seven".