1224860 has 48 divisors (see below), whose sum is σ = 3170496. Its totient is φ = 387072.

The previous prime is 1224859. The next prime is 1224863. The reversal of 1224860 is 684221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (66052).

2^1224860 is an apocalyptic number.

1224860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585248).

1224860 is an abundant number, since it is smaller than the sum of its proper divisors (1945636).

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

1224860 is a wasteful number, since it uses less digits than its factorization.

1224860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1224860 is about 1106.7339336986. The cubic root of 1224860 is about 106.9946717584.

The spelling of 1224860 in words is "one million, two hundred twenty-four thousand, eight hundred sixty".