1127864156 has 24 divisors (see below), whose sum is σ = 2072241024. Its totient is φ = 536096880.

The previous prime is 1127864147. The next prime is 1127864173. The reversal of 1127864156 is 6514687211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22610 + ... + 52601.

It is an arithmetic number, because the mean of its divisors is an integer number (86343376).

Almost surely, 2^1127864156 is an apocalyptic number.

It is an amenable number.

1127864156 is a deficient number, since it is larger than the sum of its proper divisors (944376868).

1127864156 is a wasteful number, since it uses less digits than its factorization.

1127864156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75401 (or 75399 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 1127864156 is about 33583.6888384823. The cubic root of 1127864156 is about 1040.9237834932.

The spelling of 1127864156 in words is "one billion, one hundred twenty-seven million, eight hundred sixty-four thousand, one hundred fifty-six".