122245013 has 4 divisors (see below), whose sum is σ = 133358208. Its totient is φ = 111131820.

The previous prime is 122244989. The next prime is 122245033. The reversal of 122245013 is 310542221.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122245013 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 (122245033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556581 + ... + 5556602.

It is an arithmetic number, because the mean of its divisors is an integer number (33339552).

Almost surely, 2^122245013 is an apocalyptic number.

It is an amenable number.

122245013 is a deficient number, since it is larger than the sum of its proper divisors (11113195).

122245013 is a wasteful number, since it uses less digits than its factorization.

122245013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113194.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122245013 is about 11056.4466715125. The cubic root of 122245013 is about 496.2993621310.

Adding to 122245013 its reverse (310542221), we get a palindrome (432787234).

The spelling of 122245013 in words is "one hundred twenty-two million, two hundred forty-five thousand, thirteen".