1130521392 has 720 divisors, whose sum is σ = 4610371584. Its totient is φ = 250905600.

The previous prime is 1130521349. The next prime is 1130521433. The reversal of 1130521392 is 2931250311.

1130521392 is a `hidden beast` number, since 1 + 130 + 521 + 3 + 9 + 2 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 36468417 + ... + 36468447.

Almost surely, 2^1130521392 is an apocalyptic number.

1130521392 is a gapful number since it is divisible by the number (12) 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 1130521392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2305185792).

1130521392 is an abundant number, since it is smaller than the sum of its proper divisors (3479850192).

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

1130521392 is a wasteful number, since it uses less digits than its factorization.

1130521392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1130521392 is about 33623.2269718420. The cubic root of 1130521392 is about 1041.7406108177.

The spelling of 1130521392 in words is "one billion, one hundred thirty million, five hundred twenty-one thousand, three hundred ninety-two".