1131470361 has 12 divisors (see below), whose sum is σ = 1867824192. Its totient is φ = 646554456.

The previous prime is 1131470357. The next prime is 1131470363. The reversal of 1131470361 is 1630741311.

1131470361 is a `hidden beast` number, since 1 + 131 + 470 + 3 + 61 = 666.

It is not a de Polignac number, because 1131470361 - 2² = 1131470357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131470363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8979861 + ... + 8979986.

It is an arithmetic number, because the mean of its divisors is an integer number (155652016).

Almost surely, 2^1131470361 is an apocalyptic number.

It is an amenable number.

1131470361 is a deficient number, since it is larger than the sum of its proper divisors (736353831).

1131470361 is a wasteful number, since it uses less digits than its factorization.

1131470361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17959860 (or 17959857 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1131470361 is about 33637.3358189973. The cubic root of 1131470361 is about 1042.0320111911.

The spelling of 1131470361 in words is "one billion, one hundred thirty-one million, four hundred seventy thousand, three hundred sixty-one".