1125727136 has 12 divisors (see below), whose sum is σ = 2216275362. Its totient is φ = 562863552.

The previous prime is 1125727129. The next prime is 1125727153. The reversal of 1125727136 is 6317275211.

It can be written as a sum of positive squares in only one way, i.e., 1112622736 + 13104400 = 33356^2 + 3620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1125727096 and 1125727105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17589455 + ... + 17589518.

Almost surely, 2^1125727136 is an apocalyptic number.

1125727136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125727136 is a deficient number, since it is larger than the sum of its proper divisors (1090548226).

1125727136 is an equidigital number, since it uses as much as digits as its factorization.

1125727136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35178983 (or 35178975 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 1125727136 is about 33551.8574150523. The cubic root of 1125727136 is about 1040.2659379085.

The spelling of 1125727136 in words is "one billion, one hundred twenty-five million, seven hundred twenty-seven thousand, one hundred thirty-six".