1130956812 has 18 divisors (see below), whose sum is σ = 2858807588. Its totient is φ = 376985592.

The previous prime is 1130956793. The next prime is 1130956829. The reversal of 1130956812 is 2186590311.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 31415467 = 1130956812 / (1 + 1 + 3 + 0 + 9 + 5 + 6 + 8 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15707698 + ... + 15707769.

Almost surely, 2^1130956812 is an apocalyptic number.

1130956812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1130956812 is an abundant number, since it is smaller than the sum of its proper divisors (1727850776).

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

1130956812 is a wasteful number, since it uses less digits than its factorization.

1130956812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31415477 (or 31415472 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1130956812 is about 33629.7013367648. The cubic root of 1130956812 is about 1041.8743356867.

It can be divided in two parts, 11309 and 56812, that added together give a square (68121 = 261²).

The spelling of 1130956812 in words is "one billion, one hundred thirty million, nine hundred fifty-six thousand, eight hundred twelve".