1225463 has 4 divisors (see below), whose sum is σ = 1278768. Its totient is φ = 1172160.

The previous prime is 1225459. The next prime is 1225493. The reversal of 1225463 is 3645221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3645221 = 271 ⋅13451.

It is a cyclic number.

It is not a de Polignac number, because 1225463 - 2² = 1225459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 53281 = 1225463 / (1 + 2 + 2 + 5 + 4 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26618 + ... + 26663.

It is an arithmetic number, because the mean of its divisors is an integer number (319692).

2^1225463 is an apocalyptic number.

1225463 is a deficient number, since it is larger than the sum of its proper divisors (53305).

1225463 is an equidigital number, since it uses as much as digits as its factorization.

1225463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53304.

The product of its digits is 1440, while the sum is 23.

The square root of 1225463 is about 1107.0063233785. The cubic root of 1225463 is about 107.0122267450.

The spelling of 1225463 in words is "one million, two hundred twenty-five thousand, four hundred sixty-three".