122430015 has 64 divisors (see below), whose sum is σ = 233280000. Its totient is φ = 60735744.

The previous prime is 122430001. The next prime is 122430017. The reversal of 122430015 is 510034221.

It is not a de Polignac number, because 122430015 - 2²⁰ = 121381439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122430015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122430017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150931 + ... + 151739.

It is an arithmetic number, because the mean of its divisors is an integer number (3645000).

Almost surely, 2^122430015 is an apocalyptic number.

122430015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122430015 is a deficient number, since it is larger than the sum of its proper divisors (110849985).

122430015 is a wasteful number, since it uses less digits than its factorization.

122430015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 122430015 is about 11064.8097588707. The cubic root of 122430015 is about 496.5495975499.

Adding to 122430015 its reverse (510034221), we get a palindrome (632464236).

The spelling of 122430015 in words is "one hundred twenty-two million, four hundred thirty thousand, fifteen".