1125236944 has 20 divisors (see below), whose sum is σ = 2347850596. Its totient is φ = 519340032.

The previous prime is 1125236941. The next prime is 1125236971. The reversal of 1125236944 is 4496325211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103795344 + 1021441600 = 10188^2 + 31960^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125236941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704689 + ... + 2705104.

Almost surely, 2^1125236944 is an apocalyptic number.

It is an amenable number.

1125236944 is an abundant number, since it is smaller than the sum of its proper divisors (1222613652).

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

1125236944 is a wasteful number, since it uses less digits than its factorization.

1125236944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409814 (or 5409808 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 1125236944 is about 33544.5516291394. The cubic root of 1125236944 is about 1040.1149231976.

The spelling of 1125236944 in words is "one billion, one hundred twenty-five million, two hundred thirty-six thousand, nine hundred forty-four".