1052126065 has 4 divisors (see below), whose sum is σ = 1262551284. Its totient is φ = 841700848.

The previous prime is 1052126063. The next prime is 1052126077. The reversal of 1052126065 is 5606212501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5606212501 = 271 ⋅20687131.

It can be written as a sum of positive squares in 2 ways, for example, as 364008241 + 688117824 = 19079^2 + 26232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052126065 - 2¹ = 1052126063 is a prime.

It is a super-2 number, since 2×1052126065² = 2213938513304768450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052126063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105212602 + ... + 105212611.

It is an arithmetic number, because the mean of its divisors is an integer number (315637821).

Almost surely, 2^1052126065 is an apocalyptic number.

It is an amenable number.

1052126065 is a deficient number, since it is larger than the sum of its proper divisors (210425219).

1052126065 is an equidigital number, since it uses as much as digits as its factorization.

1052126065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210425218.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1052126065 is about 32436.4927974650. The cubic root of 1052126065 is about 1017.0819021677.

Adding to 1052126065 its reverse (5606212501), we get a palindrome (6658338566).

The spelling of 1052126065 in words is "one billion, fifty-two million, one hundred twenty-six thousand, sixty-five".