1156622794 has 4 divisors (see below), whose sum is σ = 1734934194. Its totient is φ = 578311396.

The previous prime is 1156622783. The next prime is 1156622821. The reversal of 1156622794 is 4972266511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4972266511 = 67 ⋅74212933.

It can be written as a sum of positive squares in only one way, i.e., 985143769 + 171479025 = 31387^2 + 13095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1156622794.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289155697 + ... + 289155700.

Almost surely, 2^1156622794 is an apocalyptic number.

1156622794 is a deficient number, since it is larger than the sum of its proper divisors (578311400).

1156622794 is an equidigital number, since it uses as much as digits as its factorization.

1156622794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578311399.

The product of its digits is 181440, while the sum is 43.

The square root of 1156622794 is about 34009.1575020611. The cubic root of 1156622794 is about 1049.6969023864.

The spelling of 1156622794 in words is "one billion, one hundred fifty-six million, six hundred twenty-two thousand, seven hundred ninety-four".