1244830 has 16 divisors (see below), whose sum is σ = 2253744. Its totient is φ = 495040.

The previous prime is 1244821. The next prime is 1244833. The reversal of 1244830 is 384421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589 + ... + 3031.

It is an arithmetic number, because the mean of its divisors is an integer number (140859).

2^1244830 is an apocalyptic number.

1244830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244830 is a deficient number, since it is larger than the sum of its proper divisors (1008914).

1244830 is a wasteful number, since it uses less digits than its factorization.

1244830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1244830 is about 1115.7194987989. The cubic root of 1244830 is about 107.5730169161.

The spelling of 1244830 in words is "one million, two hundred forty-four thousand, eight hundred thirty".