1442263111 has 2 divisors, whose sum is σ = 1442263112. Its totient is φ = 1442263110.

The previous prime is 1442263087. The next prime is 1442263159. The reversal of 1442263111 is 1113622441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442263111 - 2⁵ = 1442263079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442263211) 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, 721131555 + 721131556.

It is an arithmetic number, because the mean of its divisors is an integer number (721131556).

Almost surely, 2^1442263111 is an apocalyptic number.

1442263111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442263111 is an equidigital number, since it uses as much as digits as its factorization.

1442263111 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 1442263111 is about 37977.1393209125. The cubic root of 1442263111 is about 1129.8344997393.

Adding to 1442263111 its reverse (1113622441), we get a palindrome (2555885552).

The spelling of 1442263111 in words is "one billion, four hundred forty-two million, two hundred sixty-three thousand, one hundred eleven".