122413215 has 16 divisors (see below), whose sum is σ = 196085088. Its totient is φ = 65212416.

The previous prime is 122413211. The next prime is 122413229. The reversal of 122413215 is 512314221.

It is not a de Polignac number, because 122413215 - 2² = 122413211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122413191 and 122413200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122413211) 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, 10479 + ... + 18831.

It is an arithmetic number, because the mean of its divisors is an integer number (12255318).

Almost surely, 2^122413215 is an apocalyptic number.

122413215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122413215 is a deficient number, since it is larger than the sum of its proper divisors (73671873).

122413215 is an equidigital number, since it uses as much as digits as its factorization.

122413215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9338.

The product of its digits is 480, while the sum is 21.

The square root of 122413215 is about 11064.0505692988. The cubic root of 122413215 is about 496.5268841250.

Adding to 122413215 its reverse (512314221), we get a palindrome (634727436).

The spelling of 122413215 in words is "one hundred twenty-two million, four hundred thirteen thousand, two hundred fifteen".