122352613 has 4 divisors (see below), whose sum is σ = 122629248. Its totient is φ = 122075980.

The previous prime is 122352611. The next prime is 122352623. The reversal of 122352613 is 316253221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316253221 = 2287 ⋅138283.

It is a cyclic number.

It is not a de Polignac number, because 122352613 - 2¹ = 122352611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122352611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137653 + ... + 138538.

It is an arithmetic number, because the mean of its divisors is an integer number (30657312).

Almost surely, 2^122352613 is an apocalyptic number.

It is an amenable number.

122352613 is a deficient number, since it is larger than the sum of its proper divisors (276635).

122352613 is an equidigital number, since it uses as much as digits as its factorization.

122352613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276634.

The product of its digits is 2160, while the sum is 25.

The square root of 122352613 is about 11061.3115406809. The cubic root of 122352613 is about 496.4449335798. Note that the first 3 decimals are identical.

The spelling of 122352613 in words is "one hundred twenty-two million, three hundred fifty-two thousand, six hundred thirteen".