122794009 has 16 divisors (see below), whose sum is σ = 143812368. Its totient is φ = 103790592.

The previous prime is 122793991. The next prime is 122794019. The reversal of 122794009 is 900497221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1177225 + 121616784 = 1085^2 + 11028^2 .

It is a cyclic number.

It is not a de Polignac number, because 122794009 - 2⁵ = 122793977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122794019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669 + ... + 15685.

It is an arithmetic number, because the mean of its divisors is an integer number (8988273).

Almost surely, 2^122794009 is an apocalyptic number.

It is an amenable number.

122794009 is a deficient number, since it is larger than the sum of its proper divisors (21018359).

122794009 is a wasteful number, since it uses less digits than its factorization.

122794009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15084.

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

The square root of 122794009 is about 11081.2458234623. The cubic root of 122794009 is about 497.0412042591.

The spelling of 122794009 in words is "one hundred twenty-two million, seven hundred ninety-four thousand, nine".