122707285 has 4 divisors (see below), whose sum is σ = 147248748. Its totient is φ = 98165824.

The previous prime is 122707267. The next prime is 122707313. The reversal of 122707285 is 582707221.

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 66292164 + 56415121 = 8142^2 + 7511^2 .

It is a cyclic number.

It is not a de Polignac number, because 122707285 - 2⁵ = 122707253 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 122707285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12270724 + ... + 12270733.

It is an arithmetic number, because the mean of its divisors is an integer number (36812187).

Almost surely, 2^122707285 is an apocalyptic number.

It is an amenable number.

122707285 is a deficient number, since it is larger than the sum of its proper divisors (24541463).

122707285 is an equidigital number, since it uses as much as digits as its factorization.

122707285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24541462.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 122707285 is about 11077.3320343845. The cubic root of 122707285 is about 496.9241639313.

The spelling of 122707285 in words is "one hundred twenty-two million, seven hundred seven thousand, two hundred eighty-five".