1071443 has 2 divisors, whose sum is σ = 1071444. Its totient is φ = 1071442.

The previous prime is 1071439. The next prime is 1071451. The reversal of 1071443 is 3441701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1071443 - 2² = 1071439 is a prime.

It is a super-2 number, since 2×1071443² = 2295980204498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535721 + 535722.

It is an arithmetic number, because the mean of its divisors is an integer number (535722).

2^1071443 is an apocalyptic number.

1071443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071443 is an equidigital number, since it uses as much as digits as its factorization.

1071443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1071443 is about 1035.1053086522. The cubic root of 1071443 is about 102.3268701392.

The spelling of 1071443 in words is "one million, seventy-one thousand, four hundred forty-three".