1071137443 has 2 divisors, whose sum is σ = 1071137444. Its totient is φ = 1071137442.

The previous prime is 1071137401. The next prime is 1071137447. The reversal of 1071137443 is 3447311701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1071137443 is a prime.

It is a super-2 number, since 2×1071137443² = 2294670843593156498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071137447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535568721 + 535568722.

It is an arithmetic number, because the mean of its divisors is an integer number (535568722).

Almost surely, 2^1071137443 is an apocalyptic number.

1071137443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071137443 is an equidigital number, since it uses as much as digits as its factorization.

1071137443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1071137443 is about 32728.2361730662. The cubic root of 1071137443 is about 1023.1714193025.

The spelling of 1071137443 in words is "one billion, seventy-one million, one hundred thirty-seven thousand, four hundred forty-three".