122520605 has 8 divisors (see below), whose sum is σ = 147545952. Its totient is φ = 97669008.

The previous prime is 122520599. The next prime is 122520613. The reversal of 122520605 is 506025221.

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

It is a cyclic number.

It is not a de Polignac number, because 122520605 - 2²⁴ = 105743389 is a prime.

It is a super-2 number, since 2×122520605² = 30022597299132050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41879 + ... + 44708.

It is an arithmetic number, because the mean of its divisors is an integer number (18443244).

Almost surely, 2^122520605 is an apocalyptic number.

It is an amenable number.

122520605 is a deficient number, since it is larger than the sum of its proper divisors (25025347).

122520605 is an equidigital number, since it uses as much as digits as its factorization.

122520605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86875.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 122520605 is about 11068.9026104669. The cubic root of 122520605 is about 496.6720384887.

Adding to 122520605 its reverse (506025221), we get a palindrome (628545826).

The spelling of 122520605 in words is "one hundred twenty-two million, five hundred twenty thousand, six hundred five".