1244280 has 32 divisors (see below), whose sum is σ = 3733200. Its totient is φ = 331776.

The previous prime is 1244279. The next prime is 1244293. The reversal of 1244280 is 824421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5065 + ... + 5304.

2^1244280 is an apocalyptic number.

1244280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244280 is an abundant number, since it is smaller than the sum of its proper divisors (2488920).

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

1244280 is a wasteful number, since it uses less digits than its factorization.

1244280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10383 (or 10379 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1244280 is about 1115.4729938461. The cubic root of 1244280 is about 107.5571716802.

The spelling of 1244280 in words is "one million, two hundred forty-four thousand, two hundred eighty".