1443131 has 2 divisors, whose sum is σ = 1443132. Its totient is φ = 1443130.

The previous prime is 1443119. The next prime is 1443139. The reversal of 1443131 is 1313441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1443131 - 2⁶ = 1443067 is a prime.

It is a super-2 number, since 2×1443131² = 4165254166322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1443139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721565 + 721566.

It is an arithmetic number, because the mean of its divisors is an integer number (721566).

2^1443131 is an apocalyptic number.

1443131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443131 is an equidigital number, since it uses as much as digits as its factorization.

1443131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 1443131 is about 1201.3038749625. The cubic root of 1443131 is about 113.0061082139.

Adding to 1443131 its reverse (1313441), we get a palindrome (2756572).

The spelling of 1443131 in words is "one million, four hundred forty-three thousand, one hundred thirty-one".