122853287 has 2 divisors, whose sum is σ = 122853288. Its totient is φ = 122853286.

The previous prime is 122853239. The next prime is 122853293. The reversal of 122853287 is 782358221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122853287 is a prime.

It is a Chen prime.

It is equal to p_6994820 and since 122853287 and 6994820 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122853287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122853187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61426643 + 61426644.

It is an arithmetic number, because the mean of its divisors is an integer number (61426644).

Almost surely, 2^122853287 is an apocalyptic number.

122853287 is a deficient number, since it is larger than the sum of its proper divisors (1).

122853287 is an equidigital number, since it uses as much as digits as its factorization.

122853287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 122853287 is about 11083.9202000014. The cubic root of 122853287 is about 497.1211725162.

The spelling of 122853287 in words is "one hundred twenty-two million, eight hundred fifty-three thousand, two hundred eighty-seven".