1147472 has 20 divisors (see below), whose sum is σ = 2300820. Its totient is φ = 553728.

The previous prime is 1147463. The next prime is 1147499. The reversal of 1147472 is 2747411.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 414736 = 856^2 + 644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773 + ... + 1700.

It is an arithmetic number, because the mean of its divisors is an integer number (115041).

2^1147472 is an apocalyptic number.

It is an amenable number.

1147472 is an abundant number, since it is smaller than the sum of its proper divisors (1153348).

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

1147472 is a wasteful number, since it uses less digits than its factorization.

1147472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2504 counting only the distinct ones).

The product of its digits is 1568, while the sum is 26.

The square root of 1147472 is about 1071.2011949209. The cubic root of 1147472 is about 104.6921291634.

The spelling of 1147472 in words is "one million, one hundred forty-seven thousand, four hundred seventy-two".