1248512 has 18 divisors (see below), whose sum is σ = 2492658. Its totient is φ = 624128.

The previous prime is 1248503. The next prime is 1248529. The reversal of 1248512 is 2158421.

It can be written as a sum of positive squares in only one way, i.e., 952576 + 295936 = 976^2 + 544^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2183 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (138481).

2^1248512 is an apocalyptic number.

It is an amenable number.

1248512 is a deficient number, since it is larger than the sum of its proper divisors (1244146).

1248512 is an frugal number, since it uses more digits than its factorization.

1248512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893 (or 4879 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1248512 is about 1117.3683367628. The cubic root of 1248512 is about 107.6789735453.

Subtracting 1248512 from its reverse (2158421), we obtain a palindrome (909909).

The spelling of 1248512 in words is "one million, two hundred forty-eight thousand, five hundred twelve".