120240401 has 4 divisors (see below), whose sum is σ = 120306672. Its totient is φ = 120174132.

The previous prime is 120240383. The next prime is 120240431. The reversal of 120240401 is 104042021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104042021 = 53 ⋅1963057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120240401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120240431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30335 + ... + 34068.

It is an arithmetic number, because the mean of its divisors is an integer number (30076668).

Almost surely, 2^120240401 is an apocalyptic number.

It is an amenable number.

120240401 is a deficient number, since it is larger than the sum of its proper divisors (66271).

120240401 is an equidigital number, since it uses as much as digits as its factorization.

120240401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66270.

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

The square root of 120240401 is about 10965.4184142695. The cubic root of 120240401 is about 493.5715728524.

Adding to 120240401 its reverse (104042021), we get a palindrome (224282422).

The spelling of 120240401 in words is "one hundred twenty million, two hundred forty thousand, four hundred one".