122195955 has 72 divisors (see below), whose sum is σ = 236365776. Its totient is φ = 53746560.

The previous prime is 122195947. The next prime is 122195977. The reversal of 122195955 is 559591221.

It is not a de Polignac number, because 122195955 - 2³ = 122195947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 706249 + ... + 706421.

It is an arithmetic number, because the mean of its divisors is an integer number (3282858).

Almost surely, 2^122195955 is an apocalyptic number.

122195955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122195955 is a deficient number, since it is larger than the sum of its proper divisors (114169821).

122195955 is a wasteful number, since it uses less digits than its factorization.

122195955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 219 counting only the distinct ones).

The product of its digits is 40500, while the sum is 39.

The square root of 122195955 is about 11054.2279241926. The cubic root of 122195955 is about 496.2329634802.

The spelling of 122195955 in words is "one hundred twenty-two million, one hundred ninety-five thousand, nine hundred fifty-five".