122393997 has 28 divisors (see below), whose sum is σ = 200202624. Its totient is φ = 74173320.

The previous prime is 122393987. The next prime is 122394001. The reversal of 122393997 is 799393221.

It is a happy number.

It is not a de Polignac number, because 122393997 - 2⁴ = 122393981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122393987) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 388 + ... + 15650.

Almost surely, 2^122393997 is an apocalyptic number.

It is an amenable number.

122393997 is a deficient number, since it is larger than the sum of its proper divisors (77808627).

122393997 is an equidigital number, since it uses as much as digits as its factorization.

122393997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292 (or 15277 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 122393997 is about 11063.1820467712. The cubic root of 122393997 is about 496.5008990409.

The spelling of 122393997 in words is "one hundred twenty-two million, three hundred ninety-three thousand, nine hundred ninety-seven".