122878400195 has 8 divisors (see below), whose sum is σ = 147611454144. Its totient is φ = 98197804224.

The previous prime is 122878400171. The next prime is 122878400219. The reversal of 122878400195 is 591004878221.

It is an interprime number because it is at equal distance from previous prime (122878400171) and next prime (122878400219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122878400195 - 2¹⁶ = 122878334659 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13109339 + ... + 13118708.

It is an arithmetic number, because the mean of its divisors is an integer number (18451431768).

Almost surely, 2^122878400195 is an apocalyptic number.

122878400195 is a deficient number, since it is larger than the sum of its proper divisors (24733053949).

122878400195 is an equidigital number, since it uses as much as digits as its factorization.

122878400195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26228989.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 122878400195 in words is "one hundred twenty-two billion, eight hundred seventy-eight million, four hundred thousand, one hundred ninety-five".