1153227247 has 4 divisors (see below), whose sum is σ = 1153403856. Its totient is φ = 1153050640.

The previous prime is 1153227241. The next prime is 1153227259. The reversal of 1153227247 is 7427223511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7427223511 = 239 ⋅31076249.

It is a cyclic number.

It is not a de Polignac number, because 1153227247 - 2³ = 1153227239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153227241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78118 + ... + 91699.

It is an arithmetic number, because the mean of its divisors is an integer number (288350964).

Almost surely, 2^1153227247 is an apocalyptic number.

1153227247 is a deficient number, since it is larger than the sum of its proper divisors (176609).

1153227247 is an equidigital number, since it uses as much as digits as its factorization.

1153227247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176608.

The product of its digits is 23520, while the sum is 34.

The square root of 1153227247 is about 33959.1997402766. The cubic root of 1153227247 is about 1048.6686821699.

The spelling of 1153227247 in words is "one billion, one hundred fifty-three million, two hundred twenty-seven thousand, two hundred forty-seven".