122607613 has 4 divisors (see below), whose sum is σ = 122639580. Its totient is φ = 122575648.

The previous prime is 122607601. The next prime is 122607619. The reversal of 122607613 is 316706221.

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 40487769 + 82119844 = 6363^2 + 9062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122607613 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 (122607619) 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, 9298 + ... + 18211.

It is an arithmetic number, because the mean of its divisors is an integer number (30659895).

Almost surely, 2^122607613 is an apocalyptic number.

It is an amenable number.

122607613 is a deficient number, since it is larger than the sum of its proper divisors (31967).

122607613 is an equidigital number, since it uses as much as digits as its factorization.

122607613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31966.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 122607613 is about 11072.8322031899. The cubic root of 122607613 is about 496.7895812078.

The spelling of 122607613 in words is "one hundred twenty-two million, six hundred seven thousand, six hundred thirteen".