1127165420 has 48 divisors (see below), whose sum is σ = 2399997600. Its totient is φ = 444618240.

The previous prime is 1127165401. The next prime is 1127165437. The reversal of 1127165420 is 245617211.

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 15 ways as a sum of consecutive naturals, for example, 1015826 + ... + 1016934.

It is an arithmetic number, because the mean of its divisors is an integer number (49999950).

Almost surely, 2^1127165420 is an apocalyptic number.

1127165420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1127165420 is an abundant number, since it is smaller than the sum of its proper divisors (1272832180).

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

1127165420 is a wasteful number, since it uses less digits than its factorization.

1127165420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1127165420 is about 33573.2843195300. The cubic root of 1127165420 is about 1040.7087808951.

The spelling of 1127165420 in words is "one billion, one hundred twenty-seven million, one hundred sixty-five thousand, four hundred twenty".