1224912 has 60 divisors (see below), whose sum is σ = 3449184. Its totient is φ = 374400.

The previous prime is 1224893. The next prime is 1224913. The reversal of 1224912 is 2194221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8037 + ... + 8187.

2^1224912 is an apocalyptic number.

1224912 is a gapful number since it is divisible by the number (12) 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 1224912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724592).

1224912 is an abundant number, since it is smaller than the sum of its proper divisors (2224272).

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

1224912 is a wasteful number, since it uses less digits than its factorization.

1224912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 169 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 1224912 is about 1106.7574259972. The cubic root of 1224912 is about 106.9961858483.

The spelling of 1224912 in words is "one million, two hundred twenty-four thousand, nine hundred twelve".