1131480912 has 40 divisors (see below), whose sum is σ = 2925859360. Its totient is φ = 376790400.

The previous prime is 1131480871. The next prime is 1131480923. The reversal of 1131480912 is 2190841311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131480912.

It is a congruent number.

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, 40287 + ... + 62337.

It is an arithmetic number, because the mean of its divisors is an integer number (73146484).

Almost surely, 2^1131480912 is an apocalyptic number.

1131480912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131480912 is an abundant number, since it is smaller than the sum of its proper divisors (1794378448).

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

1131480912 is a wasteful number, since it uses less digits than its factorization.

1131480912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23131 (or 23125 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1131480912 is about 33637.4926532879. The cubic root of 1131480912 is about 1042.0352501758.

The spelling of 1131480912 in words is "one billion, one hundred thirty-one million, four hundred eighty thousand, nine hundred twelve".