1224870 has 16 divisors (see below), whose sum is σ = 2939760. Its totient is φ = 326624.

The previous prime is 1224869. The next prime is 1224887. The reversal of 1224870 is 784221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224870.

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, 20385 + ... + 20444.

It is an arithmetic number, because the mean of its divisors is an integer number (183735).

2^1224870 is an apocalyptic number.

1224870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224870 is an abundant number, since it is smaller than the sum of its proper divisors (1714890).

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

1224870 is a wasteful number, since it uses less digits than its factorization.

1224870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40839.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1224870 is about 1106.7384514871. The cubic root of 1224870 is about 106.9949629329.

The spelling of 1224870 in words is "one million, two hundred twenty-four thousand, eight hundred seventy".