1225464 has 16 divisors (see below), whose sum is σ = 3063720. Its totient is φ = 408480.

The previous prime is 1225459. The next prime is 1225493. The reversal of 1225464 is 4645221.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51061 = 1225464 / (1 + 2 + 2 + 5 + 4 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25507 + ... + 25554.

2^1225464 is an apocalyptic number.

It is an amenable number.

1225464 is an abundant number, since it is smaller than the sum of its proper divisors (1838256).

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

1225464 is a wasteful number, since it uses less digits than its factorization.

1225464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51070 (or 51066 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1225464 is about 1107.0067750470. The cubic root of 1225464 is about 107.0122558530.

The spelling of 1225464 in words is "one million, two hundred twenty-five thousand, four hundred sixty-four".