1225345 has 8 divisors (see below), whose sum is σ = 1604160. Its totient is φ = 891120.

The previous prime is 1225331. The next prime is 1225361. The reversal of 1225345 is 5435221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1225345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11085 + ... + 11194.

It is an arithmetic number, because the mean of its divisors is an integer number (200520).

2^1225345 is an apocalyptic number.

It is an amenable number.

1225345 is a deficient number, since it is larger than the sum of its proper divisors (378815).

1225345 is a wasteful number, since it uses less digits than its factorization.

1225345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22295.

The product of its digits is 1200, while the sum is 22.

The square root of 1225345 is about 1106.9530252003. The cubic root of 1225345 is about 107.0087918941.

The spelling of 1225345 in words is "one million, two hundred twenty-five thousand, three hundred forty-five".