1125137168 has 20 divisors (see below), whose sum is σ = 2195640720. Its totient is φ = 558520224.

The previous prime is 1125137149. The next prime is 1125137177. The reversal of 1125137168 is 8617315211.

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, 250730 + ... + 255177.

It is an arithmetic number, because the mean of its divisors is an integer number (109782036).

Almost surely, 2^1125137168 is an apocalyptic number.

It is an amenable number.

1125137168 is a deficient number, since it is larger than the sum of its proper divisors (1070503552).

1125137168 is a wasteful number, since it uses less digits than its factorization.

1125137168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506054 (or 506048 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 1125137168 is about 33543.0643799877. The cubic root of 1125137168 is about 1040.0841795767.

The spelling of 1125137168 in words is "one billion, one hundred twenty-five million, one hundred thirty-seven thousand, one hundred sixty-eight".