122215051 has 16 divisors (see below), whose sum is σ = 145530880. Its totient is φ = 100427040.

The previous prime is 122215007. The next prime is 122215061. The reversal of 122215051 is 150512221.

It is not a de Polignac number, because 122215051 - 2⁹ = 122214539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122215061) 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, 21070 + ... + 26236.

It is an arithmetic number, because the mean of its divisors is an integer number (9095680).

Almost surely, 2^122215051 is an apocalyptic number.

122215051 is a deficient number, since it is larger than the sum of its proper divisors (23315829).

122215051 is a wasteful number, since it uses less digits than its factorization.

122215051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5314.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 122215051 is about 11055.0916323656. The cubic root of 122215051 is about 496.2588115019.

Adding to 122215051 its reverse (150512221), we get a palindrome (272727272).

The spelling of 122215051 in words is "one hundred twenty-two million, two hundred fifteen thousand, fifty-one".