142179122 has 8 divisors (see below), whose sum is σ = 213353472. Its totient is φ = 71061300.

The previous prime is 142179101. The next prime is 142179127. The reversal of 142179122 is 221971241.

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

It is not an unprimeable number, because it can be changed into a prime (142179127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7154 + ... + 18317.

It is an arithmetic number, because the mean of its divisors is an integer number (26669184).

Almost surely, 2^142179122 is an apocalyptic number.

142179122 is a deficient number, since it is larger than the sum of its proper divisors (71174350).

142179122 is a wasteful number, since it uses less digits than its factorization.

142179122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28264.

The product of its digits is 2016, while the sum is 29.

The square root of 142179122 is about 11923.8887113223. Note that the first 3 decimals coincide. The cubic root of 142179122 is about 521.9296181831.

The spelling of 142179122 in words is "one hundred forty-two million, one hundred seventy-nine thousand, one hundred twenty-two".