1226245 has 8 divisors (see below), whose sum is σ = 1535616. Its totient is φ = 938256.

The previous prime is 1226237. The next prime is 1226257. The reversal of 1226245 is 5426221.

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

It is a cyclic number.

It is not a de Polignac number, because 1226245 - 2³ = 1226237 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5217 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (191952).

2^1226245 is an apocalyptic number.

It is an amenable number.

1226245 is a deficient number, since it is larger than the sum of its proper divisors (309371).

1226245 is a wasteful number, since it uses less digits than its factorization.

1226245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10691.

The product of its digits is 960, while the sum is 22.

The square root of 1226245 is about 1107.3594718970. The cubic root of 1226245 is about 107.0349843388.

The spelling of 1226245 in words is "one million, two hundred twenty-six thousand, two hundred forty-five".