1027109259 has 18 divisors (see below), whose sum is σ = 1618977828. Its totient is φ = 622297200.

The previous prime is 1027109249. The next prime is 1027109261. The reversal of 1027109259 is 9529017201.

It is not a de Polignac number, because 1027109259 - 2⁵ = 1027109227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1027109249) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 317269 + ... + 320489.

Almost surely, 2^1027109259 is an apocalyptic number.

1027109259 is a deficient number, since it is larger than the sum of its proper divisors (591868569).

1027109259 is an frugal number, since it uses more digits than its factorization.

1027109259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 1027109259 is about 32048.5453492042. The cubic root of 1027109259 is about 1008.9559708026.

The spelling of 1027109259 in words is "one billion, twenty-seven million, one hundred nine thousand, two hundred fifty-nine".