122952213 has 6 divisors (see below), whose sum is σ = 177597654. Its totient is φ = 81968136.

The previous prime is 122952127. The next prime is 122952217. The reversal of 122952213 is 312259221.

It is a happy number.

122952213 is a `hidden beast` number, since 122 + 9 + 522 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 69105969 + 53846244 = 8313^2 + 7338^2 .

It is not a de Polignac number, because 122952213 - 2⁸ = 122951957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122952217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6830670 + ... + 6830687.

It is an arithmetic number, because the mean of its divisors is an integer number (29599609).

Almost surely, 2^122952213 is an apocalyptic number.

It is an amenable number.

122952213 is a deficient number, since it is larger than the sum of its proper divisors (54645441).

122952213 is a wasteful number, since it uses less digits than its factorization.

122952213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13661363 (or 13661360 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 122952213 is about 11088.3818927741. The cubic root of 122952213 is about 497.2545701544.

The spelling of 122952213 in words is "one hundred twenty-two million, nine hundred fifty-two thousand, two hundred thirteen".