120243442 has 8 divisors (see below), whose sum is σ = 196762032. Its totient is φ = 54656100.

The previous prime is 120243433. The next prime is 120243443. The reversal of 120243442 is 244342021.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5465611 = 120243442 / (1 + 2 + 0 + 2 + 4 + 3 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (120243443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732784 + ... + 2732827.

It is an arithmetic number, because the mean of its divisors is an integer number (24595254).

Almost surely, 2^120243442 is an apocalyptic number.

120243442 is a deficient number, since it is larger than the sum of its proper divisors (76518590).

120243442 is a wasteful number, since it uses less digits than its factorization.

120243442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465624.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 120243442 is about 10965.5570765921. The cubic root of 120243442 is about 493.5757337902.

Adding to 120243442 its reverse (244342021), we get a palindrome (364585463).

It can be divided in two parts, 1202 and 43442, that added together give a palindrome (44644).

The spelling of 120243442 in words is "one hundred twenty million, two hundred forty-three thousand, four hundred forty-two".