1401324401 has 2 divisors, whose sum is σ = 1401324402. Its totient is φ = 1401324400.

The previous prime is 1401324367. The next prime is 1401324409. The reversal of 1401324401 is 1044231041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1379008225 + 22316176 = 37135^2 + 4724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401324401 - 2¹⁴ = 1401308017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401324409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700662200 + 700662201.

It is an arithmetic number, because the mean of its divisors is an integer number (700662201).

Almost surely, 2^1401324401 is an apocalyptic number.

It is an amenable number.

1401324401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401324401 is an equidigital number, since it uses as much as digits as its factorization.

1401324401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1401324401 is about 37434.2677369279. The cubic root of 1401324401 is about 1119.0415910821.

Adding to 1401324401 its reverse (1044231041), we get a palindrome (2445555442).

The spelling of 1401324401 in words is "one billion, four hundred one million, three hundred twenty-four thousand, four hundred one".