1401324121 has 2 divisors, whose sum is σ = 1401324122. Its totient is φ = 1401324120.

The previous prime is 1401324107. The next prime is 1401324149. The reversal of 1401324121 is 1214231041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1380494025 + 20830096 = 37155^2 + 4564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401324121 - 2²³ = 1392935513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401324101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700662060 + 700662061.

It is an arithmetic number, because the mean of its divisors is an integer number (700662061).

Almost surely, 2^1401324121 is an apocalyptic number.

It is an amenable number.

1401324121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401324121 is an equidigital number, since it uses as much as digits as its factorization.

1401324121 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 1401324121 is about 37434.2639970389. The cubic root of 1401324121 is about 1119.0415165498.

Adding to 1401324121 its reverse (1214231041), we get a palindrome (2615555162).

The spelling of 1401324121 in words is "one billion, four hundred one million, three hundred twenty-four thousand, one hundred twenty-one".