1248291 has 24 divisors (see below), whose sum is σ = 2044224. Its totient is φ = 754920.

The previous prime is 1248271. The next prime is 1248323. The reversal of 1248291 is 1928421.

It is not a de Polignac number, because 1248291 - 2¹¹ = 1246243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1248291 is a lucky number.

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 23 ways as a sum of consecutive naturals, for example, 2440 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (85176).

2^1248291 is an apocalyptic number.

1248291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1248291 is a deficient number, since it is larger than the sum of its proper divisors (795933).

1248291 is an equidigital number, since it uses as much as digits as its factorization.

1248291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 481 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1248291 is about 1117.2694393028. The cubic root of 1248291 is about 107.6726197264.

The spelling of 1248291 in words is "one million, two hundred forty-eight thousand, two hundred ninety-one".