1248830 has 16 divisors (see below), whose sum is σ = 2452464. Its totient is φ = 454080.

The previous prime is 1248829. The next prime is 1248833. The reversal of 1248830 is 388421.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1248830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5567 + ... + 5786.

It is an arithmetic number, because the mean of its divisors is an integer number (153279).

2^1248830 is an apocalyptic number.

1248830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1248830 is a deficient number, since it is larger than the sum of its proper divisors (1203634).

1248830 is a wasteful number, since it uses less digits than its factorization.

1248830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11371.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1248830 is about 1117.5106263477. The cubic root of 1248830 is about 107.6881148289.

The spelling of 1248830 in words is "one million, two hundred forty-eight thousand, eight hundred thirty".