1356245 has 8 divisors (see below), whose sum is σ = 1775520. Its totient is φ = 986320.

The previous prime is 1356227. The next prime is 1356247. The reversal of 1356245 is 5426531.

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

It is not a de Polignac number, because 1356245 - 2⁶ = 1356181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356247) 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 7 ways as a sum of consecutive naturals, for example, 12275 + ... + 12384.

It is an arithmetic number, because the mean of its divisors is an integer number (221940).

2^1356245 is an apocalyptic number.

It is an amenable number.

1356245 is a deficient number, since it is larger than the sum of its proper divisors (419275).

1356245 is a wasteful number, since it uses less digits than its factorization.

1356245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24675.

The product of its digits is 3600, while the sum is 26.

The square root of 1356245 is about 1164.5793231893. The cubic root of 1356245 is about 110.6911034164.

The spelling of 1356245 in words is "one million, three hundred fifty-six thousand, two hundred forty-five".