11420401 has 2 divisors, whose sum is σ = 11420402. Its totient is φ = 11420400.

The previous prime is 11420393. The next prime is 11420417. The reversal of 11420401 is 10402411.

11420401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6754801 + 4665600 = 2599^2 + 2160^2 .

It is an emirp because it is prime and its reverse (10402411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11420401 - 2³ = 11420393 is a prime.

It is not a weakly prime, because it can be changed into another prime (11420441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710200 + 5710201.

It is an arithmetic number, because the mean of its divisors is an integer number (5710201).

Almost surely, 2^11420401 is an apocalyptic number.

It is an amenable number.

11420401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420401 is an equidigital number, since it uses as much as digits as its factorization.

11420401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11420401 is about 3379.4083801754. The cubic root of 11420401 is about 225.1958853794.

Adding to 11420401 its reverse (10402411), we get a palindrome (21822812).

The spelling of 11420401 in words is "eleven million, four hundred twenty thousand, four hundred one".