142055122 has 16 divisors (see below), whose sum is σ = 234590400. Its totient is φ = 63977040.

The previous prime is 142055059. The next prime is 142055131. The reversal of 142055122 is 221550241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 142055093 and 142055102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27222 + ... + 32017.

It is an arithmetic number, because the mean of its divisors is an integer number (14661900).

Almost surely, 2^142055122 is an apocalyptic number.

142055122 is a deficient number, since it is larger than the sum of its proper divisors (92535278).

142055122 is a wasteful number, since it uses less digits than its factorization.

142055122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59361.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 142055122 is about 11918.6879311441. The cubic root of 142055122 is about 521.7778422739. Note that the first 3 decimals are identical.

The spelling of 142055122 in words is "one hundred forty-two million, fifty-five thousand, one hundred twenty-two".