1125056943 has 12 divisors (see below), whose sum is σ = 1681119960. Its totient is φ = 724174416.

The previous prime is 1125056941. The next prime is 1125056963. The reversal of 1125056943 is 3496505211.

1125056943 is a `hidden beast` number, since 1 + 1 + 2 + 50 + 569 + 43 = 666.

It is not a de Polignac number, because 1125056943 - 2¹ = 1125056941 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1125056898 and 1125056907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125056941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2155021 + ... + 2155542.

It is an arithmetic number, because the mean of its divisors is an integer number (140093330).

Almost surely, 2^1125056943 is an apocalyptic number.

1125056943 is a deficient number, since it is larger than the sum of its proper divisors (556063017).

1125056943 is a wasteful number, since it uses less digits than its factorization.

1125056943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310598 (or 4310595 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1125056943 is about 33541.8685078813. The cubic root of 1125056943 is about 1040.0594588170.

The spelling of 1125056943 in words is "one billion, one hundred twenty-five million, fifty-six thousand, nine hundred forty-three".