120603401 has 4 divisors (see below), whose sum is σ = 121048704. Its totient is φ = 120158100.

The previous prime is 120603367. The next prime is 120603403. The reversal of 120603401 is 104306021.

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: 104306021 = 577 ⋅180773.

It is a cyclic number.

It is not a de Polignac number, because 120603401 - 2¹⁸ = 120341257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120603401.

It is not an unprimeable number, because it can be changed into a prime (120603403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222245 + ... + 222786.

It is an arithmetic number, because the mean of its divisors is an integer number (30262176).

Almost surely, 2^120603401 is an apocalyptic number.

It is an amenable number.

120603401 is a deficient number, since it is larger than the sum of its proper divisors (445303).

120603401 is an equidigital number, since it uses as much as digits as its factorization.

120603401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445302.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 120603401 is about 10981.9579766087. The cubic root of 120603401 is about 494.0677634919.

Adding to 120603401 its reverse (104306021), we get a palindrome (224909422).

The spelling of 120603401 in words is "one hundred twenty million, six hundred three thousand, four hundred one".