1149115941 has 12 divisors (see below), whose sum is σ = 1665829932. Its totient is φ = 763310016.

The previous prime is 1149115937. The next prime is 1149115943. The reversal of 1149115941 is 1495119411.

1149115941 is a `hidden beast` number, since 11 + 49 + 11 + 594 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 312228900 + 836887041 = 17670^2 + 28929^2 .

It is not a de Polignac number, because 1149115941 - 2² = 1149115937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1149115896 and 1149115905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149115943) 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, 227976 + ... + 232961.

It is an arithmetic number, because the mean of its divisors is an integer number (138819161).

Almost surely, 2^1149115941 is an apocalyptic number.

It is an amenable number.

1149115941 is a deficient number, since it is larger than the sum of its proper divisors (516713991).

1149115941 is a wasteful number, since it uses less digits than its factorization.

1149115941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461220 (or 461217 counting only the distinct ones).

The product of its digits is 6480, while the sum is 36.

The square root of 1149115941 is about 33898.6126707274. The cubic root of 1149115941 is about 1047.4210149621.

The spelling of 1149115941 in words is "one billion, one hundred forty-nine million, one hundred fifteen thousand, nine hundred forty-one".