122464513 has 2 divisors, whose sum is σ = 122464514. Its totient is φ = 122464512.

The previous prime is 122464427. The next prime is 122464523. The reversal of 122464513 is 315464221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71098624 + 51365889 = 8432^2 + 7167^2 .

It is an emirp because it is prime and its reverse (315464221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122464513 - 2¹⁷ = 122333441 is a prime.

It is not a weakly prime, because it can be changed into another prime (122464523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61232256 + 61232257.

It is an arithmetic number, because the mean of its divisors is an integer number (61232257).

Almost surely, 2^122464513 is an apocalyptic number.

It is an amenable number.

122464513 is a deficient number, since it is larger than the sum of its proper divisors (1).

122464513 is an equidigital number, since it uses as much as digits as its factorization.

122464513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 122464513 is about 11066.3685552217. The cubic root of 122464513 is about 496.5962319729.

The spelling of 122464513 in words is "one hundred twenty-two million, four hundred sixty-four thousand, five hundred thirteen".