1149603956 has 24 divisors (see below), whose sum is σ = 2044210560. Its totient is φ = 565564032.

The previous prime is 1149603953. The next prime is 1149603989. The reversal of 1149603956 is 6593069411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149603953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293660 + ... + 297548.

It is an arithmetic number, because the mean of its divisors is an integer number (85175440).

Almost surely, 2^1149603956 is an apocalyptic number.

It is an amenable number.

1149603956 is a deficient number, since it is larger than the sum of its proper divisors (894606604).

1149603956 is a wasteful number, since it uses less digits than its factorization.

1149603956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063 (or 5061 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 1149603956 is about 33905.8100625837. The cubic root of 1149603956 is about 1047.5692694607.

The spelling of 1149603956 in words is "one billion, one hundred forty-nine million, six hundred three thousand, nine hundred fifty-six".