1125960643 has 16 divisors (see below), whose sum is σ = 1204047936. Its totient is φ = 1049241600.

The previous prime is 1125960629. The next prime is 1125960733. The reversal of 1125960643 is 3460695211.

It is a cyclic number.

It is not a de Polignac number, because 1125960643 - 2⁵ = 1125960611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125960613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111005 + ... + 1112017.

It is an arithmetic number, because the mean of its divisors is an integer number (75252996).

Almost surely, 2^1125960643 is an apocalyptic number.

1125960643 is a deficient number, since it is larger than the sum of its proper divisors (78087293).

1125960643 is a wasteful number, since it uses less digits than its factorization.

1125960643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1125960643 is about 33555.3370270662. The cubic root of 1125960643 is about 1040.3378595957.

The spelling of 1125960643 in words is "one billion, one hundred twenty-five million, nine hundred sixty thousand, six hundred forty-three".