122853631 has 2 divisors, whose sum is σ = 122853632. Its totient is φ = 122853630.

The previous prime is 122853551. The next prime is 122853637. The reversal of 122853631 is 136358221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122853631 - 2¹¹ = 122851583 is a prime.

It is a super-2 number, since 2×122853631² = 30186029299768322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122853593 and 122853602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122853637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61426815 + 61426816.

It is an arithmetic number, because the mean of its divisors is an integer number (61426816).

Almost surely, 2^122853631 is an apocalyptic number.

122853631 is a deficient number, since it is larger than the sum of its proper divisors (1).

122853631 is an equidigital number, since it uses as much as digits as its factorization.

122853631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 122853631 is about 11083.9357179659. The cubic root of 122853631 is about 497.1216365101.

The spelling of 122853631 in words is "one hundred twenty-two million, eight hundred fifty-three thousand, six hundred thirty-one".