1225924 has 12 divisors (see below), whose sum is σ = 2451904. Its totient is φ = 525384.

The previous prime is 1225919. The next prime is 1225927. The reversal of 1225924 is 4295221.

1225924 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1225927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21864 + ... + 21919.

2^1225924 is an apocalyptic number.

1225924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1225924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1225924 is a wasteful number, since it uses less digits than its factorization.

1225924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43794 (or 43792 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1225924 is about 1107.2145230261. The cubic root of 1225924 is about 107.0256438376.

The spelling of 1225924 in words is "one million, two hundred twenty-five thousand, nine hundred twenty-four".