122442181 has 8 divisors (see below), whose sum is σ = 124820640. Its totient is φ = 120085392.

The previous prime is 122442119. The next prime is 122442193. The reversal of 122442181 is 181244221.

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 122442181 - 2⁷ = 122442053 is a prime.

It is a super-2 number, since 2×122442181² = 29984175376073522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122442101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6231 + ... + 16843.

It is an arithmetic number, because the mean of its divisors is an integer number (15602580).

Almost surely, 2^122442181 is an apocalyptic number.

It is an amenable number.

122442181 is a deficient number, since it is larger than the sum of its proper divisors (2378459).

122442181 is a wasteful number, since it uses less digits than its factorization.

122442181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10835.

The product of its digits is 1024, while the sum is 25.

The square root of 122442181 is about 11065.3595061344. The cubic root of 122442181 is about 496.5660445579.

The spelling of 122442181 in words is "one hundred twenty-two million, four hundred forty-two thousand, one hundred eighty-one".