1147552 has 48 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 476928.

The previous prime is 1147511. The next prime is 1147561. The reversal of 1147552 is 2557411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10474 + ... + 10582.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2^1147552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330560).

1147552 is an abundant number, since it is smaller than the sum of its proper divisors (1513568).

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

1147552 is a wasteful number, since it uses less digits than its factorization.

1147552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 165 counting only the distinct ones).

The product of its digits is 1400, while the sum is 25.

The square root of 1147552 is about 1071.2385355279. The cubic root of 1147552 is about 104.6945620988.

The spelling of 1147552 in words is "one million, one hundred forty-seven thousand, five hundred fifty-two".