1401241321 has 2 divisors, whose sum is σ = 1401241322. Its totient is φ = 1401241320.

The previous prime is 1401241271. The next prime is 1401241333. The reversal of 1401241321 is 1231421041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1365672025 + 35569296 = 36955^2 + 5964^2 .

It is an emirp because it is prime and its reverse (1231421041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401241321 - 2¹³ = 1401233129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401241421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700620660 + 700620661.

It is an arithmetic number, because the mean of its divisors is an integer number (700620661).

Almost surely, 2^1401241321 is an apocalyptic number.

It is an amenable number.

1401241321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401241321 is an equidigital number, since it uses as much as digits as its factorization.

1401241321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1401241321 is about 37433.1580420354. The cubic root of 1401241321 is about 1119.0194758572.

Adding to 1401241321 its reverse (1231421041), we get a palindrome (2632662362).

The spelling of 1401241321 in words is "one billion, four hundred one million, two hundred forty-one thousand, three hundred twenty-one".