1442316121 has 2 divisors, whose sum is σ = 1442316122. Its totient is φ = 1442316120.

The previous prime is 1442316103. The next prime is 1442316133. The reversal of 1442316121 is 1216132441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903844096 + 538472025 = 30064^2 + 23205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442316121 - 2⁵ = 1442316089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442316181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721158060 + 721158061.

It is an arithmetic number, because the mean of its divisors is an integer number (721158061).

Almost surely, 2^1442316121 is an apocalyptic number.

It is an amenable number.

1442316121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442316121 is an equidigital number, since it uses as much as digits as its factorization.

1442316121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 1442316121 is about 37977.8372343660. The cubic root of 1442316121 is about 1129.8483418260.

Adding to 1442316121 its reverse (1216132441), we get a palindrome (2658448562).

The spelling of 1442316121 in words is "one billion, four hundred forty-two million, three hundred sixteen thousand, one hundred twenty-one".