1125605724 has 12 divisors (see below), whose sum is σ = 2626413384. Its totient is φ = 375201904.

The previous prime is 1125605713. The next prime is 1125605731. The reversal of 1125605724 is 4275065211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 46900227 + ... + 46900250.

It is an arithmetic number, because the mean of its divisors is an integer number (218867782).

Almost surely, 2^1125605724 is an apocalyptic number.

It is an amenable number.

1125605724 is an abundant number, since it is smaller than the sum of its proper divisors (1500807660).

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

1125605724 is a wasteful number, since it uses less digits than its factorization.

1125605724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93800484 (or 93800482 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1125605724 is about 33550.0480476556. The cubic root of 1125605724 is about 1040.2285382863.

The spelling of 1125605724 in words is "one billion, one hundred twenty-five million, six hundred five thousand, seven hundred twenty-four".