1442911 has 2 divisors, whose sum is σ = 1442912. Its totient is φ = 1442910.

The previous prime is 1442899. The next prime is 1442921. The reversal of 1442911 is 1192441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442911 - 2⁷ = 1442783 is a prime.

1442911 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721455 + 721456.

It is an arithmetic number, because the mean of its divisors is an integer number (721456).

2^1442911 is an apocalyptic number.

1442911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442911 is an equidigital number, since it uses as much as digits as its factorization.

1442911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 1442911 is about 1201.2123042993. The cubic root of 1442911 is about 113.0003654673. Note that the first 3 decimals are identical.

The spelling of 1442911 in words is "one million, four hundred forty-two thousand, nine hundred eleven".