120516442 has 4 divisors (see below), whose sum is σ = 180774666. Its totient is φ = 60258220.

The previous prime is 120516433. The next prime is 120516469. The reversal of 120516442 is 244615021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244615021 = 7 ⋅34945003.

It can be written as a sum of positive squares in only one way, i.e., 119049921 + 1466521 = 10911^2 + 1211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30129109 + ... + 30129112.

Almost surely, 2^120516442 is an apocalyptic number.

120516442 is a deficient number, since it is larger than the sum of its proper divisors (60258224).

120516442 is an equidigital number, since it uses as much as digits as its factorization.

120516442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60258223.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 120516442 is about 10977.9980870831. The cubic root of 120516442 is about 493.9489885969.

The spelling of 120516442 in words is "one hundred twenty million, five hundred sixteen thousand, four hundred forty-two".