122072585 has 4 divisors (see below), whose sum is σ = 146487108. Its totient is φ = 97658064.

The previous prime is 122072557. The next prime is 122072591. The reversal of 122072585 is 585270221.

It is a happy number.

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 14348944 + 107723641 = 3788^2 + 10379^2 .

It is a cyclic number.

It is not a de Polignac number, because 122072585 - 2¹⁴ = 122056201 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 12207254 + ... + 12207263.

It is an arithmetic number, because the mean of its divisors is an integer number (36621777).

Almost surely, 2^122072585 is an apocalyptic number.

It is an amenable number.

122072585 is a deficient number, since it is larger than the sum of its proper divisors (24414523).

122072585 is an equidigital number, since it uses as much as digits as its factorization.

122072585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24414522.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 122072585 is about 11048.6462971714. The cubic root of 122072585 is about 496.0659070091.

The spelling of 122072585 in words is "one hundred twenty-two million, seventy-two thousand, five hundred eighty-five".