1147456747 has 4 divisors (see below), whose sum is σ = 1159286296. Its totient is φ = 1135627200.

The previous prime is 1147456727. The next prime is 1147456777. The reversal of 1147456747 is 7476547411.

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 1147456747 - 2¹⁹ = 1146932459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1147456697 and 1147456706.

It is not an unprimeable number, because it can be changed into a prime (1147456727) 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, 5914629 + ... + 5914822.

It is an arithmetic number, because the mean of its divisors is an integer number (289821574).

Almost surely, 2^1147456747 is an apocalyptic number.

1147456747 is a deficient number, since it is larger than the sum of its proper divisors (11829549).

1147456747 is an equidigital number, since it uses as much as digits as its factorization.

1147456747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11829548.

The product of its digits is 658560, while the sum is 46.

The square root of 1147456747 is about 33874.1309408817. The cubic root of 1147456747 is about 1046.9166528101.

The spelling of 1147456747 in words is "one billion, one hundred forty-seven million, four hundred fifty-six thousand, seven hundred forty-seven".