120024742 has 4 divisors (see below), whose sum is σ = 180037116. Its totient is φ = 60012370.

The previous prime is 120024733. The next prime is 120024761. The reversal of 120024742 is 247420021.

It is a happy number.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30006184 + ... + 30006187.

It is an arithmetic number, because the mean of its divisors is an integer number (45009279).

Almost surely, 2^120024742 is an apocalyptic number.

120024742 is a deficient number, since it is larger than the sum of its proper divisors (60012374).

120024742 is an equidigital number, since it uses as much as digits as its factorization.

120024742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60012373.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 120024742 is about 10955.5804045244. The cubic root of 120024742 is about 493.2763119916.

Adding to 120024742 its reverse (247420021), we get a palindrome (367444763).

The spelling of 120024742 in words is "one hundred twenty million, twenty-four thousand, seven hundred forty-two".