120042005 has 8 divisors (see below), whose sum is σ = 144625824. Its totient is φ = 95650000.

The previous prime is 120041989. The next prime is 120042007. The reversal of 120042005 is 500240021.

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

It is not a de Polignac number, because 120042005 - 2⁴ = 120041989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120042007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46571 + ... + 49080.

It is an arithmetic number, because the mean of its divisors is an integer number (18078228).

Almost surely, 2^120042005 is an apocalyptic number.

It is an amenable number.

120042005 is a deficient number, since it is larger than the sum of its proper divisors (24583819).

120042005 is an equidigital number, since it uses as much as digits as its factorization.

120042005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95907.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 120042005 is about 10956.3682395217. The cubic root of 120042005 is about 493.2999599512.

Adding to 120042005 its reverse (500240021), we get a palindrome (620282026).

The spelling of 120042005 in words is "one hundred twenty million, forty-two thousand, five".