122895887 has 2 divisors, whose sum is σ = 122895888. Its totient is φ = 122895886.

The previous prime is 122895869. The next prime is 122895919. The reversal of 122895887 is 788598221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (788598221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122895887 - 2²⁰ = 121847311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122895587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61447943 + 61447944.

It is an arithmetic number, because the mean of its divisors is an integer number (61447944).

Almost surely, 2^122895887 is an apocalyptic number.

122895887 is a deficient number, since it is larger than the sum of its proper divisors (1).

122895887 is an equidigital number, since it uses as much as digits as its factorization.

122895887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 50.

The square root of 122895887 is about 11085.8417361967. The cubic root of 122895887 is about 497.1786256382.

The spelling of 122895887 in words is "one hundred twenty-two million, eight hundred ninety-five thousand, eight hundred eighty-seven".