1147264672 has 24 divisors (see below), whose sum is σ = 2262841056. Its totient is φ = 572574912.

The previous prime is 1147264667. The next prime is 1147264673. The reversal of 1147264672 is 2764627411.

It is not an unprimeable number, because it can be changed into a prime (1147264673) 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 in 3 ways as a sum of consecutive naturals, for example, 15268 + ... + 50275.

It is an arithmetic number, because the mean of its divisors is an integer number (94285044).

Almost surely, 2^1147264672 is an apocalyptic number.

It is an amenable number.

1147264672 is a deficient number, since it is larger than the sum of its proper divisors (1115576384).

1147264672 is an equidigital number, since it uses as much as digits as its factorization.

1147264672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66100 (or 66092 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 1147264672 is about 33871.2956941420. The cubic root of 1147264672 is about 1046.8582344172.

The spelling of 1147264672 in words is "one billion, one hundred forty-seven million, two hundred sixty-four thousand, six hundred seventy-two".