1017125632 has 72 divisors (see below), whose sum is σ = 2165004800. Its totient is φ = 475517952.

The previous prime is 1017125609. The next prime is 1017125737. The reversal of 1017125632 is 2365217101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1017125632.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382933 + ... + 385579.

Almost surely, 2^1017125632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1017125632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082502400).

1017125632 is an abundant number, since it is smaller than the sum of its proper divisors (1147879168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1017125632 is an equidigital number, since it uses as much as digits as its factorization.

1017125632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1017125632 is about 31892.4071214451. The cubic root of 1017125632 is about 1005.6762630745.

The spelling of 1017125632 in words is "one billion, seventeen million, one hundred twenty-five thousand, six hundred thirty-two".