122165142 has 16 divisors (see below), whose sum is σ = 266542272. Its totient is φ = 37019720.

The previous prime is 122165137. The next prime is 122165171. The reversal of 122165142 is 241561221.

It is a congruent number.

It is an unprimeable number.

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, 925428 + ... + 925559.

It is an arithmetic number, because the mean of its divisors is an integer number (16658892).

Almost surely, 2^122165142 is an apocalyptic number.

122165142 is an abundant number, since it is smaller than the sum of its proper divisors (144377130).

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

122165142 is a wasteful number, since it uses less digits than its factorization.

122165142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851003.

The product of its digits is 960, while the sum is 24.

The square root of 122165142 is about 11052.8341161894. The cubic root of 122165142 is about 496.1912498471.

The spelling of 122165142 in words is "one hundred twenty-two million, one hundred sixty-five thousand, one hundred forty-two".