1125391756 has 6 divisors (see below), whose sum is σ = 1969435580. Its totient is φ = 562695876.

The previous prime is 1125391733. The next prime is 1125391801. The reversal of 1125391756 is 6571935211.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140673966 + ... + 140673973.

Almost surely, 2^1125391756 is an apocalyptic number.

It is an amenable number.

1125391756 is a deficient number, since it is larger than the sum of its proper divisors (844043824).

1125391756 is a wasteful number, since it uses less digits than its factorization.

1125391756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281347943 (or 281347941 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 1125391756 is about 33546.8591078211. The cubic root of 1125391756 is about 1040.1626212664.

The spelling of 1125391756 in words is "one billion, one hundred twenty-five million, three hundred ninety-one thousand, seven hundred fifty-six".