122255142 has 8 divisors (see below), whose sum is σ = 244510296. Its totient is φ = 40751712.

The previous prime is 122255137. The next prime is 122255173. The reversal of 122255142 is 241552221.

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

122255142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10187923 + ... + 10187934.

It is an arithmetic number, because the mean of its divisors is an integer number (30563787).

Almost surely, 2^122255142 is an apocalyptic number.

122255142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122255142 is a wasteful number, since it uses less digits than its factorization.

122255142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20375862.

The product of its digits is 1600, while the sum is 24.

The square root of 122255142 is about 11056.9047205807. The cubic root of 122255142 is about 496.3130692407.

The spelling of 122255142 in words is "one hundred twenty-two million, two hundred fifty-five thousand, one hundred forty-two".