1163126589 has 16 divisors (see below), whose sum is σ = 1579482240. Its totient is φ = 761146560.

The previous prime is 1163126567. The next prime is 1163126597. The reversal of 1163126589 is 9856213611.

It is not a de Polignac number, because 1163126589 - 2²¹ = 1161029437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1163126589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163126389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86904 + ... + 99390.

It is an arithmetic number, because the mean of its divisors is an integer number (98717640).

Almost surely, 2^1163126589 is an apocalyptic number.

It is an amenable number.

1163126589 is a deficient number, since it is larger than the sum of its proper divisors (416355651).

1163126589 is a wasteful number, since it uses less digits than its factorization.

1163126589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060.

The product of its digits is 77760, while the sum is 42.

The square root of 1163126589 is about 34104.6417515270. The cubic root of 1163126589 is about 1051.6607396953.

The spelling of 1163126589 in words is "one billion, one hundred sixty-three million, one hundred twenty-six thousand, five hundred eighty-nine".