1248263 has 4 divisors (see below), whose sum is σ = 1269480. Its totient is φ = 1227048.

The previous prime is 1248253. The next prime is 1248271. The reversal of 1248263 is 3628421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1248263 - 2⁶ = 1248199 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10520 + ... + 10637.

It is an arithmetic number, because the mean of its divisors is an integer number (317370).

2^1248263 is an apocalyptic number.

1248263 is a deficient number, since it is larger than the sum of its proper divisors (21217).

1248263 is an equidigital number, since it uses as much as digits as its factorization.

1248263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21216.

The product of its digits is 2304, while the sum is 26.

The square root of 1248263 is about 1117.2569086830. The cubic root of 1248263 is about 107.6718146642.

The spelling of 1248263 in words is "one million, two hundred forty-eight thousand, two hundred sixty-three".