1123628794 has 8 divisors (see below), whose sum is σ = 1702819188. Its totient is φ = 556022400.

The previous prime is 1123628791. The next prime is 1123628797. The reversal of 1123628794 is 4978263211.

It is an interprime number because it is at equal distance from previous prime (1123628791) and next prime (1123628797).

It can be written as a sum of positive squares in 2 ways, for example, as 1078268569 + 45360225 = 32837^2 + 6735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1123628794.

It is not an unprimeable number, because it can be changed into a prime (1123628791) 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, 2895757 + ... + 2896144.

Almost surely, 2^1123628794 is an apocalyptic number.

1123628794 is a deficient number, since it is larger than the sum of its proper divisors (579190394).

1123628794 is an equidigital number, since it uses as much as digits as its factorization.

1123628794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792000.

The product of its digits is 145152, while the sum is 43.

The square root of 1123628794 is about 33520.5726979716. The cubic root of 1123628794 is about 1039.6191881164.

The spelling of 1123628794 in words is "one billion, one hundred twenty-three million, six hundred twenty-eight thousand, seven hundred ninety-four".