1301366401 has 4 divisors (see below), whose sum is σ = 1319193412. Its totient is φ = 1283539392.

The previous prime is 1301366389. The next prime is 1301366413. The reversal of 1301366401 is 1046631031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1301366389) and next prime (1301366413).

It can be written as a sum of positive squares in 2 ways, for example, as 906311025 + 395055376 = 30105^2 + 19876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301366401 - 2¹⁵ = 1301333633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301366441) 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, 8913396 + ... + 8913541.

It is an arithmetic number, because the mean of its divisors is an integer number (329798353).

Almost surely, 2^1301366401 is an apocalyptic number.

It is an amenable number.

1301366401 is a deficient number, since it is larger than the sum of its proper divisors (17827011).

1301366401 is an equidigital number, since it uses as much as digits as its factorization.

1301366401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827010.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1301366401 is about 36074.4563507200. The cubic root of 1301366401 is about 1091.7751287400.

Adding to 1301366401 its reverse (1046631031), we get a palindrome (2347997432).

The spelling of 1301366401 in words is "one billion, three hundred one million, three hundred sixty-six thousand, four hundred one".