120239642 has 4 divisors (see below), whose sum is σ = 180359466. Its totient is φ = 60119820.

The previous prime is 120239641. The next prime is 120239689. The reversal of 120239642 is 246932021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94848121 + 25391521 = 9739^2 + 5039^2 .

It is not an unprimeable number, because it can be changed into a prime (120239641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30059909 + ... + 30059912.

Almost surely, 2^120239642 is an apocalyptic number.

120239642 is a deficient number, since it is larger than the sum of its proper divisors (60119824).

120239642 is an equidigital number, since it uses as much as digits as its factorization.

120239642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60119823.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 120239642 is about 10965.3838054124. The cubic root of 120239642 is about 493.5705343173.

The spelling of 120239642 in words is "one hundred twenty million, two hundred thirty-nine thousand, six hundred forty-two".