120243142 has 8 divisors (see below), whose sum is σ = 190974456. Its totient is φ = 56584992.

The previous prime is 120243113. The next prime is 120243169. The reversal of 120243142 is 241342021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768248 + ... + 1768315.

It is an arithmetic number, because the mean of its divisors is an integer number (23871807).

Almost surely, 2^120243142 is an apocalyptic number.

120243142 is a deficient number, since it is larger than the sum of its proper divisors (70731314).

120243142 is a wasteful number, since it uses less digits than its factorization.

120243142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536582.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120243142 is about 10965.5433973880. The cubic root of 120243142 is about 493.5753233095.

Adding to 120243142 its reverse (241342021), we get a palindrome (361585163).

It can be divided in two parts, 1202 and 43142, that added together give a palindrome (44344).

The spelling of 120243142 in words is "one hundred twenty million, two hundred forty-three thousand, one hundred forty-two".