122664513 has 8 divisors (see below), whose sum is σ = 172160800. Its totient is φ = 77472288.

The previous prime is 122664449. The next prime is 122664527. The reversal of 122664513 is 315466221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122664513 - 2⁶ = 122664449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122664013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075948 + ... + 1076061.

It is an arithmetic number, because the mean of its divisors is an integer number (21520100).

Almost surely, 2^122664513 is an apocalyptic number.

It is an amenable number.

122664513 is a deficient number, since it is larger than the sum of its proper divisors (49496287).

122664513 is a wasteful number, since it uses less digits than its factorization.

122664513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152031.

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

The square root of 122664513 is about 11075.4012568394. The cubic root of 122664513 is about 496.8664197086.

The spelling of 122664513 in words is "one hundred twenty-two million, six hundred sixty-four thousand, five hundred thirteen".