122862287 has 2 divisors, whose sum is σ = 122862288. Its totient is φ = 122862286.

The previous prime is 122862209. The next prime is 122862307. The reversal of 122862287 is 782268221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122862287 - 2¹² = 122858191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122862287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122862787) 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, 61431143 + 61431144.

It is an arithmetic number, because the mean of its divisors is an integer number (61431144).

Almost surely, 2^122862287 is an apocalyptic number.

122862287 is a deficient number, since it is larger than the sum of its proper divisors (1).

122862287 is an equidigital number, since it uses as much as digits as its factorization.

122862287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 38.

The square root of 122862287 is about 11084.3261861062. The cubic root of 122862287 is about 497.1333116062.

The spelling of 122862287 in words is "one hundred twenty-two million, eight hundred sixty-two thousand, two hundred eighty-seven".