122645017 has 4 divisors (see below), whose sum is σ = 133794576. Its totient is φ = 111495460.

The previous prime is 122645009. The next prime is 122645113. The reversal of 122645017 is 710546221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122645017 - 2³ = 122645009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122645917) 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, 5574763 + ... + 5574784.

It is an arithmetic number, because the mean of its divisors is an integer number (33448644).

Almost surely, 2^122645017 is an apocalyptic number.

It is an amenable number.

122645017 is a deficient number, since it is larger than the sum of its proper divisors (11149559).

122645017 is a wasteful number, since it uses less digits than its factorization.

122645017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149558.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 122645017 is about 11074.5210731661. The cubic root of 122645017 is about 496.8400947330.

The spelling of 122645017 in words is "one hundred twenty-two million, six hundred forty-five thousand, seventeen".