120042401 has 2 divisors, whose sum is σ = 120042402. Its totient is φ = 120042400.

The previous prime is 120042379. The next prime is 120042427. The reversal of 120042401 is 104240021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 358801 = 10940^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 120042401 - 2¹⁸ = 119780257 is a prime.

It is not a weakly prime, because it can be changed into another prime (120042101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60021200 + 60021201.

It is an arithmetic number, because the mean of its divisors is an integer number (60021201).

Almost surely, 2^120042401 is an apocalyptic number.

It is an amenable number.

120042401 is a deficient number, since it is larger than the sum of its proper divisors (1).

120042401 is an equidigital number, since it uses as much as digits as its factorization.

120042401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 120042401 is about 10956.3863111886. The cubic root of 120042401 is about 493.3005023907.

Adding to 120042401 its reverse (104240021), we get a palindrome (224282422).

The spelling of 120042401 in words is "one hundred twenty million, forty-two thousand, four hundred one".