1147984554 has 16 divisors (see below), whose sum is σ = 2296308960. Its totient is φ = 382604880.

The previous prime is 1147984511. The next prime is 1147984583. The reversal of 1147984554 is 4554897411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58192 + ... + 75380.

It is an arithmetic number, because the mean of its divisors is an integer number (143519310).

Almost surely, 2^1147984554 is an apocalyptic number.

1147984554 is an abundant number, since it is smaller than the sum of its proper divisors (1148324406).

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

1147984554 is a wasteful number, since it uses less digits than its factorization.

1147984554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28325.

The product of its digits is 806400, while the sum is 48.

The square root of 1147984554 is about 33881.9207542902. The cubic root of 1147984554 is about 1047.0771483980.

The spelling of 1147984554 in words is "one billion, one hundred forty-seven million, nine hundred eighty-four thousand, five hundred fifty-four".