1125961975 has 24 divisors (see below), whose sum is σ = 1450197360. Its totient is φ = 866181120.

The previous prime is 1125961961. The next prime is 1125962027. The reversal of 1125961975 is 5791695211.

It is a de Polignac number, because none of the positive numbers 2^k-1125961975 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183304 + ... + 189346.

It is an arithmetic number, because the mean of its divisors is an integer number (60424890).

Almost surely, 2^1125961975 is an apocalyptic number.

1125961975 is a deficient number, since it is larger than the sum of its proper divisors (324235385).

1125961975 is a wasteful number, since it uses less digits than its factorization.

1125961975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6339 (or 6334 counting only the distinct ones).

The product of its digits is 170100, while the sum is 46.

The square root of 1125961975 is about 33555.3568748717. The cubic root of 1125961975 is about 1040.3382698319.

The spelling of 1125961975 in words is "one billion, one hundred twenty-five million, nine hundred sixty-one thousand, nine hundred seventy-five".