1071143026 has 4 divisors (see below), whose sum is σ = 1606714542. Its totient is φ = 535571512.

The previous prime is 1071142997. The next prime is 1071143033. The reversal of 1071143026 is 6203411701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 998876025 + 72267001 = 31605^2 + 8501^2 .

It is a super-2 number, since 2×1071143026² = 2294694764296873352, which contains 22 as substring.

It is an unprimeable number.

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, 267785755 + ... + 267785758.

Almost surely, 2^1071143026 is an apocalyptic number.

1071143026 is a deficient number, since it is larger than the sum of its proper divisors (535571516).

1071143026 is an equidigital number, since it uses as much as digits as its factorization.

1071143026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535571515.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1071143026 is about 32728.3214662775. The cubic root of 1071143026 is about 1023.1731969630.

Adding to 1071143026 its reverse (6203411701), we get a palindrome (7274554727).

The spelling of 1071143026 in words is "one billion, seventy-one million, one hundred forty-three thousand, twenty-six".