1153534227 has 4 divisors (see below), whose sum is σ = 1538045640. Its totient is φ = 769022816.

The previous prime is 1153534223. The next prime is 1153534229. The reversal of 1153534227 is 7224353511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7224353511 = 3 ⋅2408117837.

It is a cyclic number.

It is not a de Polignac number, because 1153534227 - 2² = 1153534223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153534223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192255702 + ... + 192255707.

It is an arithmetic number, because the mean of its divisors is an integer number (384511410).

Almost surely, 2^1153534227 is an apocalyptic number.

1153534227 is a deficient number, since it is larger than the sum of its proper divisors (384511413).

1153534227 is an equidigital number, since it uses as much as digits as its factorization.

1153534227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384511412.

The product of its digits is 25200, while the sum is 33.

The square root of 1153534227 is about 33963.7192751324. The cubic root of 1153534227 is about 1048.7617230263.

Adding to 1153534227 its reverse (7224353511), we get a palindrome (8377887738).

The spelling of 1153534227 in words is "one billion, one hundred fifty-three million, five hundred thirty-four thousand, two hundred twenty-seven".