122646513 has 16 divisors (see below), whose sum is σ = 178790400. Its totient is φ = 74166480.

The previous prime is 122646467. The next prime is 122646521. The reversal of 122646513 is 315646221.

It is not a de Polignac number, because 122646513 - 2⁹ = 122646001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122646533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11928 + ... + 19686.

It is an arithmetic number, because the mean of its divisors is an integer number (11174400).

Almost surely, 2^122646513 is an apocalyptic number.

It is an amenable number.

122646513 is a deficient number, since it is larger than the sum of its proper divisors (56143887).

122646513 is a wasteful number, since it uses less digits than its factorization.

122646513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8252.

The product of its digits is 8640, while the sum is 30.

The square root of 122646513 is about 11074.5886153843. The cubic root of 122646513 is about 496.8421148443.

The spelling of 122646513 in words is "one hundred twenty-two million, six hundred forty-six thousand, five hundred thirteen".