794136121 has 4 divisors (see below), whose sum is σ = 805014772. Its totient is φ = 783257472.

The previous prime is 794136107. The next prime is 794136137. The reversal of 794136121 is 121631497.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 633226896 + 160909225 = 25164^2 + 12685^2 .

It is a cyclic number.

It is not a de Polignac number, because 794136121 - 2²³ = 785747513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (794136191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5439216 + ... + 5439361.

It is an arithmetic number, because the mean of its divisors is an integer number (201253693).

Almost surely, 2^794136121 is an apocalyptic number.

It is an amenable number.

794136121 is a deficient number, since it is larger than the sum of its proper divisors (10878651).

794136121 is a wasteful number, since it uses less digits than its factorization.

794136121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878650.

The product of its digits is 9072, while the sum is 34.

The square root of 794136121 is about 28180.4208804624. The cubic root of 794136121 is about 926.0440593895.

The spelling of 794136121 in words is "seven hundred ninety-four million, one hundred thirty-six thousand, one hundred twenty-one".