1125665508 has 96 divisors (see below), whose sum is σ = 2984607360. Its totient is φ = 327075840.

The previous prime is 1125665483. The next prime is 1125665539. The reversal of 1125665508 is 8055665211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600060 + ... + 601932.

It is an arithmetic number, because the mean of its divisors is an integer number (31089660).

Almost surely, 2^1125665508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125665508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492303680).

1125665508 is an abundant number, since it is smaller than the sum of its proper divisors (1858941852).

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

1125665508 is a wasteful number, since it uses less digits than its factorization.

1125665508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 1125665508 is about 33550.9390032529. The cubic root of 1125665508 is about 1040.2469544216.

The spelling of 1125665508 in words is "one billion, one hundred twenty-five million, six hundred sixty-five thousand, five hundred eight".