122604565 has 4 divisors (see below), whose sum is σ = 147125484. Its totient is φ = 98083648.

The previous prime is 122604563. The next prime is 122604577. The reversal of 122604565 is 565406221.

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 57866449 + 64738116 = 7607^2 + 8046^2 .

It is a cyclic number.

It is not a de Polignac number, because 122604565 - 2¹ = 122604563 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122604563) 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, 12260452 + ... + 12260461.

It is an arithmetic number, because the mean of its divisors is an integer number (36781371).

Almost surely, 2^122604565 is an apocalyptic number.

It is an amenable number.

122604565 is a deficient number, since it is larger than the sum of its proper divisors (24520919).

122604565 is an equidigital number, since it uses as much as digits as its factorization.

122604565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24520918.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 122604565 is about 11072.6945681708. The cubic root of 122604565 is about 496.7854644782.

The spelling of 122604565 in words is "one hundred twenty-two million, six hundred four thousand, five hundred sixty-five".