1125628793 has 4 divisors (see below), whose sum is σ = 1127921808. Its totient is φ = 1123335780.

The previous prime is 1125628783. The next prime is 1125628891. The reversal of 1125628793 is 3978265211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1125628793 - 2²⁴ = 1108851577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1125628733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145771 + ... + 1146752.

It is an arithmetic number, because the mean of its divisors is an integer number (281980452).

Almost surely, 2^1125628793 is an apocalyptic number.

It is an amenable number.

1125628793 is a deficient number, since it is larger than the sum of its proper divisors (2293015).

1125628793 is an equidigital number, since it uses as much as digits as its factorization.

1125628793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293014.

The product of its digits is 181440, while the sum is 44.

The square root of 1125628793 is about 33550.3918456998. The cubic root of 1125628793 is about 1040.2356446432.

The spelling of 1125628793 in words is "one billion, one hundred twenty-five million, six hundred twenty-eight thousand, seven hundred ninety-three".