1155036227 has 2 divisors, whose sum is σ = 1155036228. Its totient is φ = 1155036226.

The previous prime is 1155036209. The next prime is 1155036247. The reversal of 1155036227 is 7226305511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155036227 - 2¹⁴ = 1155019843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155036193 and 1155036202.

It is not a weakly prime, because it can be changed into another prime (1155036247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577518113 + 577518114.

It is an arithmetic number, because the mean of its divisors is an integer number (577518114).

Almost surely, 2^1155036227 is an apocalyptic number.

1155036227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155036227 is an equidigital number, since it uses as much as digits as its factorization.

1155036227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1155036227 is about 33985.8239123314. The cubic root of 1155036227 is about 1049.2167180224.

The spelling of 1155036227 in words is "one billion, one hundred fifty-five million, thirty-six thousand, two hundred twenty-seven".