1172535960 has 128 divisors (see below), whose sum is σ = 3619572480. Its totient is φ = 303733248.

The previous prime is 1172535953. The next prime is 1172535983. The reversal of 1172535960 is 695352711.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679659 + ... + 681381.

It is an arithmetic number, because the mean of its divisors is an integer number (28277910).

Almost surely, 2^1172535960 is an apocalyptic number.

1172535960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172535960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809786240).

1172535960 is an abundant number, since it is smaller than the sum of its proper divisors (2447036520).

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

1172535960 is a wasteful number, since it uses less digits than its factorization.

1172535960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 1172535960 is about 34242.3124219145. The cubic root of 1172535960 is about 1054.4890077973.

The spelling of 1172535960 in words is "one billion, one hundred seventy-two million, five hundred thirty-five thousand, nine hundred sixty".