1147472027 has 4 divisors (see below), whose sum is σ = 1235739120. Its totient is φ = 1059204936.

The previous prime is 1147472017. The next prime is 1147472057. The reversal of 1147472027 is 7202747411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1147472027 - 2²⁰ = 1146423451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147472017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44133527 + ... + 44133552.

It is an arithmetic number, because the mean of its divisors is an integer number (308934780).

Almost surely, 2^1147472027 is an apocalyptic number.

1147472027 is a deficient number, since it is larger than the sum of its proper divisors (88267093).

1147472027 is an equidigital number, since it uses as much as digits as its factorization.

1147472027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88267092.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 1147472027 is about 33874.3564809724. The cubic root of 1147472027 is about 1046.9212998452.

The spelling of 1147472027 in words is "one billion, one hundred forty-seven million, four hundred seventy-two thousand, twenty-seven".