122150142 has 24 divisors (see below), whose sum is σ = 266568120. Its totient is φ = 40422960.

The previous prime is 122150129. The next prime is 122150153. The reversal of 122150142 is 241051221.

122150142 is a `hidden beast` number, since 122 + 1 + 501 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21909 + ... + 26912.

It is an arithmetic number, because the mean of its divisors is an integer number (11107005).

Almost surely, 2^122150142 is an apocalyptic number.

122150142 is an abundant number, since it is smaller than the sum of its proper divisors (144417978).

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

122150142 is a wasteful number, since it uses less digits than its factorization.

122150142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48968 (or 48965 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 122150142 is about 11052.1555363648. The cubic root of 122150142 is about 496.1709407986.

The spelling of 122150142 in words is "one hundred twenty-two million, one hundred fifty thousand, one hundred forty-two".