1026235859089 has 9 divisors (see below), whose sum is σ = 1193792819817. Its totient is φ = 879624658164.

The previous prime is 1026235859071. The next prime is 1026235859101. The reversal of 1026235859089 is 9809585326201.

The square root of 1026235859089 is 1013033.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1026235859089 - 2⁹ = 1026235858577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026235859009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7018872 + ... + 7163590.

Almost surely, 2^{1026235859089} is an apocalyptic number.

1026235859089 is the 1013033-rd square number.

1026235859089 is the 506517-th centered octagonal number.

It is an amenable number.

1026235859089 is a deficient number, since it is larger than the sum of its proper divisors (167556960728).

1026235859089 is an frugal number, since it uses more digits than its factorization.

1026235859089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289452 (or 144726 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 1026235859089 in words is "one trillion, twenty-six billion, two hundred thirty-five million, eight hundred fifty-nine thousand, eighty-nine".