1225193 has 4 divisors (see below), whose sum is σ = 1227408. Its totient is φ = 1222980.

The previous prime is 1225183. The next prime is 1225219. The reversal of 1225193 is 3915221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3915221 = 23 ⋅170227.

It is a cyclic number.

It is not a de Polignac number, because 1225193 - 2⁶ = 1225129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1225123) by changing a digit.

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, 530 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (306852).

2^1225193 is an apocalyptic number.

It is an amenable number.

1225193 is a deficient number, since it is larger than the sum of its proper divisors (2215).

1225193 is a wasteful number, since it uses less digits than its factorization.

1225193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214.

The product of its digits is 540, while the sum is 23.

The square root of 1225193 is about 1106.8843661377. The cubic root of 1225193 is about 107.0043670154.

The spelling of 1225193 in words is "one million, two hundred twenty-five thousand, one hundred ninety-three".