1125694056 has 16 divisors (see below), whose sum is σ = 2814235200. Its totient is φ = 375231344.

The previous prime is 1125694043. The next prime is 1125694069. The reversal of 1125694056 is 6504965211.

It is an interprime number because it is at equal distance from previous prime (1125694043) and next prime (1125694069).

It is a super-2 number, since 2×1125694056² = 2534374215427462272, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 23451936 + ... + 23451983.

It is an arithmetic number, because the mean of its divisors is an integer number (175889700).

Almost surely, 2^1125694056 is an apocalyptic number.

It is an amenable number.

1125694056 is an abundant number, since it is smaller than the sum of its proper divisors (1688541144).

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

1125694056 is a wasteful number, since it uses less digits than its factorization.

1125694056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46903928 (or 46903924 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1125694056 is about 33551.3644431937. The cubic root of 1125694056 is about 1040.2557482473.

The spelling of 1125694056 in words is "one billion, one hundred twenty-five million, six hundred ninety-four thousand, fifty-six".