122513013 has 16 divisors (see below), whose sum is σ = 207429760. Its totient is φ = 70007328.

The previous prime is 122513003. The next prime is 122513059. The reversal of 122513013 is 310315221.

It is not a de Polignac number, because 122513013 - 2⁵ = 122512981 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 (122513003) 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, 323920 + ... + 324297.

It is an arithmetic number, because the mean of its divisors is an integer number (12964360).

Almost surely, 2^122513013 is an apocalyptic number.

It is an amenable number.

122513013 is a deficient number, since it is larger than the sum of its proper divisors (84916747).

122513013 is an equidigital number, since it uses as much as digits as its factorization.

122513013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648233 (or 648227 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 122513013 is about 11068.5596623951. The cubic root of 122513013 is about 496.6617795014.

Adding to 122513013 its reverse (310315221), we get a palindrome (432828234).

The spelling of 122513013 in words is "one hundred twenty-two million, five hundred thirteen thousand, thirteen".