120401 has 2 divisors, whose sum is σ = 120402. Its totient is φ = 120400.

The previous prime is 120397. The next prime is 120413. The reversal of 120401 is 104021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70225 + 50176 = 265^2 + 224^2 .

It is an emirp because it is prime and its reverse (104021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120401 - 2² = 120397 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60200 + 60201.

It is an arithmetic number, because the mean of its divisors is an integer number (60201).

2¹²⁰⁴⁰¹ is an apocalyptic number.

It is an amenable number.

120401 is a deficient number, since it is larger than the sum of its proper divisors (1).

120401 is an equidigital number, since it uses as much as digits as its factorization.

120401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 120401 is about 346.9884724310. The cubic root of 120401 is about 49.3791221255.

Adding to 120401 its reverse (104021), we get a palindrome (224422).

It can be divided in two parts, 1 and 20401, that added together give a palindrome (20402).

The spelling of 120401 in words is "one hundred twenty thousand, four hundred one", and thus it is an iban number.