1149603812 has 12 divisors (see below), whose sum is σ = 2299207680. Its totient is φ = 492687336.

The previous prime is 1149603803. The next prime is 1149603821. The reversal of 1149603812 is 2183069411.

It is an interprime number because it is at equal distance from previous prime (1149603803) and next prime (1149603821).

1149603812 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20528612 + ... + 20528667.

It is an arithmetic number, because the mean of its divisors is an integer number (191600640).

Almost surely, 2^1149603812 is an apocalyptic number.

It is an amenable number.

1149603812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1149603812 is a wasteful number, since it uses less digits than its factorization.

1149603812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41057290 (or 41057288 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1149603812 is about 33905.8079390537. The cubic root of 1149603812 is about 1047.5692257210.

The spelling of 1149603812 in words is "one billion, one hundred forty-nine million, six hundred three thousand, eight hundred twelve".