987124558 has 16 divisors (see below), whose sum is σ = 1692762624. Its totient is φ = 422916120.

The previous prime is 987124547. The next prime is 987124559. The reversal of 987124558 is 855421789.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987124559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41791 + ... + 60997.

It is an arithmetic number, because the mean of its divisors is an integer number (105797664).

Almost surely, 2^987124558 is an apocalyptic number.

987124558 is a deficient number, since it is larger than the sum of its proper divisors (705638066).

987124558 is a wasteful number, since it uses less digits than its factorization.

987124558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22887.

The product of its digits is 806400, while the sum is 49.

The square root of 987124558 is about 31418.5384446826. The cubic root of 987124558 is about 995.6896334345.

The spelling of 987124558 in words is "nine hundred eighty-seven million, one hundred twenty-four thousand, five hundred fifty-eight".