122630215 has 16 divisors (see below), whose sum is σ = 148992480. Its totient is φ = 96888960.

The previous prime is 122630177. The next prime is 122630219. The reversal of 122630215 is 512036221.

It is not a de Polignac number, because 122630215 - 2⁷ = 122630087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122630219) 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, 161617 + ... + 162373.

It is an arithmetic number, because the mean of its divisors is an integer number (9312030).

Almost surely, 2^122630215 is an apocalyptic number.

122630215 is a deficient number, since it is larger than the sum of its proper divisors (26362265).

122630215 is a wasteful number, since it uses less digits than its factorization.

122630215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 122630215 is about 11073.8527622504. The cubic root of 122630215 is about 496.8201060884.

Adding to 122630215 its reverse (512036221), we get a palindrome (634666436).

The spelling of 122630215 in words is "one hundred twenty-two million, six hundred thirty thousand, two hundred fifteen".