120342942 has 16 divisors (see below), whose sum is σ = 267428880. Its totient is φ = 40114296.

The previous prime is 120342919. The next prime is 120342947. The reversal of 120342942 is 249243021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120342947) 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, 1114233 + ... + 1114340.

It is an arithmetic number, because the mean of its divisors is an integer number (16714305).

Almost surely, 2^120342942 is an apocalyptic number.

120342942 is an abundant number, since it is smaller than the sum of its proper divisors (147085938).

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

120342942 is a wasteful number, since it uses less digits than its factorization.

120342942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228584 (or 2228578 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 120342942 is about 10970.0930716198. The cubic root of 120342942 is about 493.7118389136.

Adding to 120342942 its reverse (249243021), we get a palindrome (369585963).

The spelling of 120342942 in words is "one hundred twenty million, three hundred forty-two thousand, nine hundred forty-two".