1131949104 has 80 divisors (see below), whose sum is σ = 3435446784. Its totient is φ = 316627200.

The previous prime is 1131949069. The next prime is 1131949127. The reversal of 1131949104 is 4019491311.

It is a hoax number, since the sum of its digits (33) 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 (33).

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, 75592 + ... + 89319.

Almost surely, 2^1131949104 is an apocalyptic number.

It is an amenable number.

1131949104 is an abundant number, since it is smaller than the sum of its proper divisors (2303497680).

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

1131949104 is a wasteful number, since it uses less digits than its factorization.

1131949104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164946 (or 164940 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1131949104 is about 33644.4513107288. The cubic root of 1131949104 is about 1042.1789572080.

The spelling of 1131949104 in words is "one billion, one hundred thirty-one million, nine hundred forty-nine thousand, one hundred four".