1147448 has 16 divisors (see below), whose sum is σ = 2265000. Its totient is φ = 543456.

The previous prime is 1147441. The next prime is 1147451. The reversal of 1147448 is 8447411.

It is a self number, because there is not a number n which added to its sum of digits gives 1147448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623 + ... + 3926.

2^1147448 is an apocalyptic number.

It is an amenable number.

1147448 is a deficient number, since it is larger than the sum of its proper divisors (1117552).

1147448 is a wasteful number, since it uses less digits than its factorization.

1147448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574 (or 7570 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 1147448 is about 1071.1899924850. The cubic root of 1147448 is about 104.6913992607.

The spelling of 1147448 in words is "one million, one hundred forty-seven thousand, four hundred forty-eight".