1155794079 has 32 divisors (see below), whose sum is σ = 1783192320. Its totient is φ = 658112000.

The previous prime is 1155794071. The next prime is 1155794117. The reversal of 1155794079 is 9704975511.

It is a cyclic number.

Together with 627398240 it forms a betrothed pair.

It is not a de Polignac number, because 1155794079 - 2³ = 1155794071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155794071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391792 + ... + 394730.

It is an arithmetic number, because the mean of its divisors is an integer number (55724760).

Almost surely, 2^1155794079 is an apocalyptic number.

1155794079 is a deficient number, since it is larger than the sum of its proper divisors (627398241).

1155794079 is a wasteful number, since it uses less digits than its factorization.

1155794079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671.

The product of its (nonzero) digits is 396900, while the sum is 48.

The square root of 1155794079 is about 33996.9716151307. The cubic root of 1155794079 is about 1049.4461414598.

The spelling of 1155794079 in words is "one billion, one hundred fifty-five million, seven hundred ninety-four thousand, seventy-nine".