1154868128 has 24 divisors (see below), whose sum is σ = 2274441120. Its totient is φ = 577232320.

The previous prime is 1154868119. The next prime is 1154868139. The reversal of 1154868128 is 8218684511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136403 + ... + 144621.

It is an arithmetic number, because the mean of its divisors is an integer number (94768380).

Almost surely, 2^1154868128 is an apocalyptic number.

It is an amenable number.

1154868128 is a deficient number, since it is larger than the sum of its proper divisors (1119572992).

1154868128 is an equidigital number, since it uses as much as digits as its factorization.

1154868128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12620 (or 12612 counting only the distinct ones).

The product of its digits is 122880, while the sum is 44.

The square root of 1154868128 is about 33983.3507470938. The cubic root of 1154868128 is about 1049.1658160582.

The spelling of 1154868128 in words is "one billion, one hundred fifty-four million, eight hundred sixty-eight thousand, one hundred twenty-eight".