255126987 has 6 divisors (see below), whose sum is σ = 368516772. Its totient is φ = 170084652.

The previous prime is 255126979. The next prime is 255126997. The reversal of 255126987 is 789621552.

255126987 is a `hidden beast` number, since 2 + 551 + 2 + 6 + 98 + 7 = 666.

It is not a de Polignac number, because 255126987 - 2³ = 255126979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255126917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14173713 + ... + 14173730.

It is an arithmetic number, because the mean of its divisors is an integer number (61419462).

Almost surely, 2^255126987 is an apocalyptic number.

255126987 is a deficient number, since it is larger than the sum of its proper divisors (113389785).

255126987 is a wasteful number, since it uses less digits than its factorization.

255126987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28347449 (or 28347446 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 255126987 is about 15972.6950449822. The cubic root of 255126987 is about 634.2378165899.

The spelling of 255126987 in words is "two hundred fifty-five million, one hundred twenty-six thousand, nine hundred eighty-seven".