120430142 has 24 divisors (see below), whose sum is σ = 222502464. Its totient is φ = 48576192.

The previous prime is 120430109. The next prime is 120430169. The reversal of 120430142 is 241034021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 120430142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34478 + ... + 37809.

It is an arithmetic number, because the mean of its divisors is an integer number (9270936).

Almost surely, 2^120430142 is an apocalyptic number.

120430142 is a deficient number, since it is larger than the sum of its proper divisors (102072322).

120430142 is a wasteful number, since it uses less digits than its factorization.

120430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72320 (or 72313 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 120430142 is about 10974.0667940377. The cubic root of 120430142 is about 493.8310573114.

Adding to 120430142 its reverse (241034021), we get a palindrome (361464163).

The spelling of 120430142 in words is "one hundred twenty million, four hundred thirty thousand, one hundred forty-two".