122767313 has 4 divisors (see below), whose sum is σ = 122789940. Its totient is φ = 122744688.

The previous prime is 122767301. The next prime is 122767321. The reversal of 122767313 is 313767221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77299264 + 45468049 = 8792^2 + 6743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122767313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122767313.

It is not an unprimeable number, because it can be changed into a prime (122767213) 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, 2231 + ... + 15827.

It is an arithmetic number, because the mean of its divisors is an integer number (30697485).

Almost surely, 2^122767313 is an apocalyptic number.

It is an amenable number.

122767313 is a deficient number, since it is larger than the sum of its proper divisors (22627).

122767313 is an equidigital number, since it uses as much as digits as its factorization.

122767313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22626.

The product of its digits is 10584, while the sum is 32.

The square root of 122767313 is about 11080.0412002844. The cubic root of 122767313 is about 497.0051819434.

The spelling of 122767313 in words is "one hundred twenty-two million, seven hundred sixty-seven thousand, three hundred thirteen".