1243248 has 40 divisors (see below), whose sum is σ = 3273600. Its totient is φ = 406464.

The previous prime is 1243211. The next prime is 1243271. The reversal of 1243248 is 8423421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 2613 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (81840).

2^1243248 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 1243248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636800).

1243248 is an abundant number, since it is smaller than the sum of its proper divisors (2030352).

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

1243248 is a wasteful number, since it uses less digits than its factorization.

1243248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 503 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1243248 is about 1115.0103138536. The cubic root of 1243248 is about 107.5274276508.

Adding to 1243248 its reverse (8423421), we get a palindrome (9666669).

The spelling of 1243248 in words is "one million, two hundred forty-three thousand, two hundred forty-eight".