124555889 has 8 divisors (see below), whose sum is σ = 132156000. Its totient is φ = 116986176.

The previous prime is 124555853. The next prime is 124555919. The reversal of 124555889 is 988555421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124555889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (124555819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (16519500).

Almost surely, 2^124555889 is an apocalyptic number.

It is an amenable number.

124555889 is a deficient number, since it is larger than the sum of its proper divisors (7600111).

124555889 is a wasteful number, since it uses less digits than its factorization.

124555889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15199.

The product of its digits is 576000, while the sum is 47.

The square root of 124555889 is about 11160.4609671823. The cubic root of 124555889 is about 499.4071493340.

The spelling of 124555889 in words is "one hundred twenty-four million, five hundred fifty-five thousand, eight hundred eighty-nine".