122868871 has 2 divisors, whose sum is σ = 122868872. Its totient is φ = 122868870.

The previous prime is 122868799. The next prime is 122868881. The reversal of 122868871 is 178868221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122868871 - 2⁷ = 122868743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122868881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61434435 + 61434436.

It is an arithmetic number, because the mean of its divisors is an integer number (61434436).

Almost surely, 2^122868871 is an apocalyptic number.

122868871 is a deficient number, since it is larger than the sum of its proper divisors (1).

122868871 is an equidigital number, since it uses as much as digits as its factorization.

122868871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 43.

The square root of 122868871 is about 11084.6231780787. The cubic root of 122868871 is about 497.1421916494.

The spelling of 122868871 in words is "one hundred twenty-two million, eight hundred sixty-eight thousand, eight hundred seventy-one".