1147313472 has 112 divisors (see below), whose sum is σ = 3193523712. Its totient is φ = 363018240.

The previous prime is 1147313471. The next prime is 1147313477. The reversal of 1147313472 is 2743137411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147313471) 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 15 ways as a sum of consecutive naturals, for example, 313638 + ... + 317274.

Almost surely, 2^1147313472 is an apocalyptic number.

1147313472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147313472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596761856).

1147313472 is an abundant number, since it is smaller than the sum of its proper divisors (2046210240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1147313472 is a wasteful number, since it uses less digits than its factorization.

1147313472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736 (or 3726 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 1147313472 is about 33872.0160604591. The cubic root of 1147313472 is about 1046.8730772454.

The spelling of 1147313472 in words is "one billion, one hundred forty-seven million, three hundred thirteen thousand, four hundred seventy-two".