1129521260 has 48 divisors (see below), whose sum is σ = 2828722176. Its totient is φ = 370425792.

The previous prime is 1129521257. The next prime is 1129521299. The reversal of 1129521260 is 621259211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172172 + ... + 178611.

It is an arithmetic number, because the mean of its divisors is an integer number (58931712).

Almost surely, 2^1129521260 is an apocalyptic number.

1129521260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129521260 is an abundant number, since it is smaller than the sum of its proper divisors (1699200916).

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

1129521260 is a wasteful number, since it uses less digits than its factorization.

1129521260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350822 (or 350820 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1129521260 is about 33608.3510455363. The cubic root of 1129521260 is about 1041.4333232492.

The spelling of 1129521260 in words is "one billion, one hundred twenty-nine million, five hundred twenty-one thousand, two hundred sixty".