1244380 has 12 divisors (see below), whose sum is σ = 2613240. Its totient is φ = 497744.

The previous prime is 1244363. The next prime is 1244381. The reversal of 1244380 is 834421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31090 + ... + 31129.

It is an arithmetic number, because the mean of its divisors is an integer number (217770).

2^1244380 is an apocalyptic number.

1244380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244380 is an abundant number, since it is smaller than the sum of its proper divisors (1368860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244380 is a wasteful number, since it uses less digits than its factorization.

1244380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62228 (or 62226 counting only the distinct ones).

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

The square root of 1244380 is about 1115.5178169801. The cubic root of 1244380 is about 107.5600529795.

The spelling of 1244380 in words is "one million, two hundred forty-four thousand, three hundred eighty".