1125750656 has 16 divisors (see below), whose sum is σ = 2242706640. Its totient is φ = 562875264.

The previous prime is 1125750649. The next prime is 1125750713. The reversal of 1125750656 is 6560575211.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4397336 + ... + 4397591.

It is an arithmetic number, because the mean of its divisors is an integer number (140169165).

Almost surely, 2^1125750656 is an apocalyptic number.

1125750656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125750656 is a deficient number, since it is larger than the sum of its proper divisors (1116955984).

1125750656 is an frugal number, since it uses more digits than its factorization.

1125750656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794941 (or 8794929 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 1125750656 is about 33552.2079154264. The cubic root of 1125750656 is about 1040.2731826732.

The spelling of 1125750656 in words is "one billion, one hundred twenty-five million, seven hundred fifty thousand, six hundred fifty-six".