1152915478 has 32 divisors (see below), whose sum is σ = 2138653440. Its totient is φ = 458278560.

The previous prime is 1152915473. The next prime is 1152915479. The reversal of 1152915478 is 8745192511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152915473) 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 15 ways as a sum of consecutive naturals, for example, 100650 + ... + 111517.

It is an arithmetic number, because the mean of its divisors is an integer number (66832920).

Almost surely, 2^1152915478 is an apocalyptic number.

1152915478 is a deficient number, since it is larger than the sum of its proper divisors (985737962).

1152915478 is a wasteful number, since it uses less digits than its factorization.

1152915478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212212.

The product of its digits is 100800, while the sum is 43.

The square root of 1152915478 is about 33954.6090833041. The cubic root of 1152915478 is about 1048.5741729412.

The spelling of 1152915478 in words is "one billion, one hundred fifty-two million, nine hundred fifteen thousand, four hundred seventy-eight".