981125888 has 36 divisors (see below), whose sum is σ = 1962056040. Its totient is φ = 489652224.

The previous prime is 981125869. The next prime is 981125897. The reversal of 981125888 is 888521189.

It is a happy number.

It is a super-3 number, since 3×981125888³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147008 + ... + 153536.

Almost surely, 2^981125888 is an apocalyptic number.

It is an amenable number.

981125888 is a deficient number, since it is larger than the sum of its proper divisors (980930152).

981125888 is an equidigital number, since it uses as much as digits as its factorization.

981125888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132 (or 7118 counting only the distinct ones).

The product of its digits is 368640, while the sum is 50.

The square root of 981125888 is about 31322.9291095198. The cubic root of 981125888 is about 993.6686276580.

The spelling of 981125888 in words is "nine hundred eighty-one million, one hundred twenty-five thousand, eight hundred eighty-eight".