142124120 has 32 divisors (see below), whose sum is σ = 320403600. Its totient is φ = 56738688.

The previous prime is 142124089. The next prime is 142124167. The reversal of 142124120 is 21421241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19091 + ... + 25469.

Almost surely, 2^142124120 is an apocalyptic number.

142124120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142124120 is an abundant number, since it is smaller than the sum of its proper divisors (178279480).

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

142124120 is a wasteful number, since it uses less digits than its factorization.

142124120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947 (or 6943 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142124120 is about 11921.5821097705. The cubic root of 142124120 is about 521.8623066701.

Adding to 142124120 its reverse (21421241), we get a palindrome (163545361).

The spelling of 142124120 in words is "one hundred forty-two million, one hundred twenty-four thousand, one hundred twenty".