105131089 has 8 divisors (see below), whose sum is σ = 120355200. Its totient is φ = 89958336.

The previous prime is 105131071. The next prime is 105131129. The reversal of 105131089 is 980131501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105131089 - 2⁹ = 105130577 is a prime.

It is a super-2 number, since 2×105131089² = 22105091748651842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105111089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8344 + ... + 16729.

It is an arithmetic number, because the mean of its divisors is an integer number (15044400).

Almost surely, 2^105131089 is an apocalyptic number.

It is an amenable number.

105131089 is a deficient number, since it is larger than the sum of its proper divisors (15224111).

105131089 is an equidigital number, since it uses as much as digits as its factorization.

105131089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25679.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 105131089 is about 10253.3452589874. The cubic root of 105131089 is about 471.9656458406.

The spelling of 105131089 in words is "one hundred five million, one hundred thirty-one thousand, eighty-nine".