122906285 has 8 divisors (see below), whose sum is σ = 148021656. Its totient is φ = 97968960.

The previous prime is 122906281. The next prime is 122906297. The reversal of 122906285 is 582609221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6889 + 122899396 = 83^2 + 11086^2 .

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

It is not a de Polignac number, because 122906285 - 2² = 122906281 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 (122906281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42986 + ... + 45755.

It is an arithmetic number, because the mean of its divisors is an integer number (18502707).

Almost surely, 2^122906285 is an apocalyptic number.

It is an amenable number.

122906285 is a deficient number, since it is larger than the sum of its proper divisors (25115371).

122906285 is an equidigital number, since it uses as much as digits as its factorization.

122906285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89023.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 122906285 is about 11086.3107028443. The cubic root of 122906285 is about 497.1926470392.

The spelling of 122906285 in words is "one hundred twenty-two million, nine hundred six thousand, two hundred eighty-five".