122363999 has 4 divisors (see below), whose sum is σ = 122474664. Its totient is φ = 122253336.

The previous prime is 122363993. The next prime is 122364001. The reversal of 122363999 is 999363221.

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

It is a cyclic number.

It is not a de Polignac number, because 122363999 - 2²⁴ = 105586783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122363993) 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, 53657 + ... + 55890.

It is an arithmetic number, because the mean of its divisors is an integer number (30618666).

Almost surely, 2^122363999 is an apocalyptic number.

122363999 is a deficient number, since it is larger than the sum of its proper divisors (110665).

122363999 is a wasteful number, since it uses less digits than its factorization.

122363999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110664.

The product of its digits is 157464, while the sum is 44.

The square root of 122363999 is about 11061.8262054690. The cubic root of 122363999 is about 496.4603326425.

The spelling of 122363999 in words is "one hundred twenty-two million, three hundred sixty-three thousand, nine hundred ninety-nine".