1115231027 has 2 divisors, whose sum is σ = 1115231028. Its totient is φ = 1115231026.

The previous prime is 1115231017. The next prime is 1115231053. The reversal of 1115231027 is 7201325111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115231027 - 2²⁰ = 1114182451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115230993 and 1115231011.

It is not a weakly prime, because it can be changed into another prime (1115231017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557615513 + 557615514.

It is an arithmetic number, because the mean of its divisors is an integer number (557615514).

Almost surely, 2^1115231027 is an apocalyptic number.

1115231027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115231027 is an equidigital number, since it uses as much as digits as its factorization.

1115231027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1115231027 is about 33395.0748913668. The cubic root of 1115231027 is about 1037.0227433222.

Adding to 1115231027 its reverse (7201325111), we get a palindrome (8316556138).

The spelling of 1115231027 in words is "one billion, one hundred fifteen million, two hundred thirty-one thousand, twenty-seven".