1154879812 has 12 divisors (see below), whose sum is σ = 2127410320. Its totient is φ = 547048296.

The previous prime is 1154879809. The next prime is 1154879813. The reversal of 1154879812 is 2189784511.

It is not an unprimeable number, because it can be changed into a prime (1154879813) 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 3 ways as a sum of consecutive naturals, for example, 7597818 + ... + 7597969.

Almost surely, 2^1154879812 is an apocalyptic number.

It is an amenable number.

1154879812 is a deficient number, since it is larger than the sum of its proper divisors (972530508).

1154879812 is a wasteful number, since it uses less digits than its factorization.

1154879812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15195810 (or 15195808 counting only the distinct ones).

The product of its digits is 161280, while the sum is 46.

The square root of 1154879812 is about 33983.5226543688. The cubic root of 1154879812 is about 1049.1693542434.

The spelling of 1154879812 in words is "one billion, one hundred fifty-four million, eight hundred seventy-nine thousand, eight hundred twelve".