122825231 has 2 divisors, whose sum is σ = 122825232. Its totient is φ = 122825230.

The previous prime is 122825189. The next prime is 122825257. The reversal of 122825231 is 132528221.

It is an a-pointer prime, because the next prime (122825257) can be obtained adding 122825231 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122825231 is a prime.

It is a super-2 number, since 2×122825231² = 30172074740406722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122825231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122825281) by changing a digit.

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 as a sum of consecutive naturals, namely, 61412615 + 61412616.

It is an arithmetic number, because the mean of its divisors is an integer number (61412616).

Almost surely, 2^122825231 is an apocalyptic number.

122825231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122825231 is an equidigital number, since it uses as much as digits as its factorization.

122825231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 122825231 is about 11082.6545105403. The cubic root of 122825231 is about 497.0833271214.

The spelling of 122825231 in words is "one hundred twenty-two million, eight hundred twenty-five thousand, two hundred thirty-one".