1248281 has 4 divisors (see below), whose sum is σ = 1314000. Its totient is φ = 1182564.

The previous prime is 1248271. The next prime is 1248323. The reversal of 1248281 is 1828421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1248281 - 2⁶ = 1248217 is a prime.

It is a super-2 number, since 2×1248281² = 3116410909922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1248281.

It is not an unprimeable number, because it can be changed into a prime (1248211) 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, 32831 + ... + 32868.

It is an arithmetic number, because the mean of its divisors is an integer number (328500).

2^1248281 is an apocalyptic number.

It is an amenable number.

1248281 is a deficient number, since it is larger than the sum of its proper divisors (65719).

1248281 is an equidigital number, since it uses as much as digits as its factorization.

1248281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65718.

The product of its digits is 1024, while the sum is 26.

The square root of 1248281 is about 1117.2649640976. The cubic root of 1248281 is about 107.6723322056.

The spelling of 1248281 in words is "one million, two hundred forty-eight thousand, two hundred eighty-one".