1125389160 has 128 divisors (see below), whose sum is σ = 4287225600. Its totient is φ = 257230080.

The previous prime is 1125389107. The next prime is 1125389173. The reversal of 1125389160 is 619835211.

1125389160 is a `hidden beast` number, since 112 + 5 + 389 + 160 = 666.

It is a super-2 number, since 2×1125389160² = 2533001522891011200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 66871 + ... + 81990.

It is an arithmetic number, because the mean of its divisors is an integer number (33493950).

Almost surely, 2^1125389160 is an apocalyptic number.

1125389160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125389160 is an abundant number, since it is smaller than the sum of its proper divisors (3161836440).

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

1125389160 is a wasteful number, since it uses less digits than its factorization.

1125389160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148888 (or 148878 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1125389160 is about 33546.8204156519. The cubic root of 1125389160 is about 1040.1618214666.

The spelling of 1125389160 in words is "one billion, one hundred twenty-five million, three hundred eighty-nine thousand, one hundred sixty".