122102215 has 12 divisors (see below), whose sum is σ = 148235544. Its totient is φ = 96552896.

The previous prime is 122102203. The next prime is 122102231. The reversal of 122102215 is 512201221.

It is a happy number.

It is not a de Polignac number, because 122102215 - 2¹⁵ = 122069447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38064 + ... + 41146.

It is an arithmetic number, because the mean of its divisors is an integer number (12352962).

Almost surely, 2^122102215 is an apocalyptic number.

122102215 is a deficient number, since it is larger than the sum of its proper divisors (26133329).

122102215 is an frugal number, since it uses more digits than its factorization.

122102215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 3177 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 122102215 is about 11049.9871040649. The cubic root of 122102215 is about 496.1060395356.

Adding to 122102215 its reverse (512201221), we get a palindrome (634303436).

The spelling of 122102215 in words is "one hundred twenty-two million, one hundred two thousand, two hundred fifteen".