120340642 has 8 divisors (see below), whose sum is σ = 190011600. Its totient is φ = 57003444.

The previous prime is 120340639. The next prime is 120340679. The reversal of 120340642 is 246043021.

It is a happy number.

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

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, 1583392 + ... + 1583467.

It is an arithmetic number, because the mean of its divisors is an integer number (23751450).

Almost surely, 2^120340642 is an apocalyptic number.

120340642 is a deficient number, since it is larger than the sum of its proper divisors (69670958).

120340642 is a wasteful number, since it uses less digits than its factorization.

120340642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166880.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 120340642 is about 10969.9882406500. The cubic root of 120340642 is about 493.7086936122.

Adding to 120340642 its reverse (246043021), we get a palindrome (366383663).

The spelling of 120340642 in words is "one hundred twenty million, three hundred forty thousand, six hundred forty-two".