1052126689 has 2 divisors, whose sum is σ = 1052126690. Its totient is φ = 1052126688.

The previous prime is 1052126687. The next prime is 1052126741. The reversal of 1052126689 is 9866212501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 755150400 + 296976289 = 27480^2 + 17233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052126689 - 2¹ = 1052126687 is a prime.

It is a super-2 number, since 2×1052126689² = 2213941139412205442, which contains 22 as substring.

Together with 1052126687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1052126681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526063344 + 526063345.

It is an arithmetic number, because the mean of its divisors is an integer number (526063345).

Almost surely, 2^1052126689 is an apocalyptic number.

It is an amenable number.

1052126689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052126689 is an equidigital number, since it uses as much as digits as its factorization.

1052126689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1052126689 is about 32436.5024162594. The cubic root of 1052126689 is about 1017.0821032396.

The spelling of 1052126689 in words is "one billion, fifty-two million, one hundred twenty-six thousand, six hundred eighty-nine".