487551123 has 8 divisors (see below), whose sum is σ = 722298000. Its totient is φ = 325034064.

The previous prime is 487551089. The next prime is 487551133. The reversal of 487551123 is 321155784.

487551123 is a `hidden beast` number, since 4 + 87 + 551 + 1 + 23 = 666.

It is not a de Polignac number, because 487551123 - 2¹⁴ = 487534739 is a prime.

It is a super-2 number, since 2×487551123² = 475412195077122258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (487551133) 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, 9028698 + ... + 9028751.

It is an arithmetic number, because the mean of its divisors is an integer number (90287250).

Almost surely, 2^487551123 is an apocalyptic number.

487551123 is a deficient number, since it is larger than the sum of its proper divisors (234746877).

487551123 is a wasteful number, since it uses less digits than its factorization.

487551123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18057458 (or 18057452 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 487551123 is about 22080.5598434460. The cubic root of 487551123 is about 787.0579687101.

The spelling of 487551123 in words is "four hundred eighty-seven million, five hundred fifty-one thousand, one hundred twenty-three".