1149120936 has 48 divisors (see below), whose sum is σ = 3141309600. Its totient is φ = 379457952.

The previous prime is 1149120913. The next prime is 1149120937. The reversal of 1149120936 is 6390219411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1149120936.

It is not an unprimeable number, because it can be changed into a prime (1149120937) 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, 66876 + ... + 82283.

It is an arithmetic number, because the mean of its divisors is an integer number (65443950).

Almost surely, 2^1149120936 is an apocalyptic number.

It is an amenable number.

1149120936 is an abundant number, since it is smaller than the sum of its proper divisors (1992188664).

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

1149120936 is a wasteful number, since it uses less digits than its factorization.

1149120936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149278 (or 149271 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1149120936 is about 33898.6863462288. The cubic root of 1149120936 is about 1047.4225326101.

The spelling of 1149120936 in words is "one billion, one hundred forty-nine million, one hundred twenty thousand, nine hundred thirty-six".