142112120 has 32 divisors (see below), whose sum is σ = 325177200. Its totient is φ = 55880448.

The previous prime is 142112107. The next prime is 142112123. The reversal of 142112120 is 21211241.

It is a happy number.

142112120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142112095 and 142112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142112123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27749 + ... + 32468.

Almost surely, 2^142112120 is an apocalyptic number.

142112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142112120 is an abundant number, since it is smaller than the sum of its proper divisors (183065080).

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

142112120 is a wasteful number, since it uses less digits than its factorization.

142112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60287 (or 60283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 142112120 is about 11921.0788102420. The cubic root of 142112120 is about 521.8476187482.

Adding to 142112120 its reverse (21211241), we get a palindrome (163323361).

The spelling of 142112120 in words is "one hundred forty-two million, one hundred twelve thousand, one hundred twenty".