1241245 has 8 divisors (see below), whose sum is σ = 1499616. Its totient is φ = 986256.

The previous prime is 1241243. The next prime is 1241249. The reversal of 1241245 is 5421421.

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 1241245 - 2¹ = 1241243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241243) 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, 54 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (187452).

2^1241245 is an apocalyptic number.

It is an amenable number.

1241245 is a deficient number, since it is larger than the sum of its proper divisors (258371).

1241245 is a wasteful number, since it uses less digits than its factorization.

1241245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 320, while the sum is 19.

The square root of 1241245 is about 1114.1117538201. Note that the first 3 decimals coincide. The cubic root of 1241245 is about 107.4696507079.

Adding to 1241245 its reverse (5421421), we get a palindrome (6662666).

It can be divided in two parts, 124 and 1245, that added together give a square (1369 = 37²).

The spelling of 1241245 in words is "one million, two hundred forty-one thousand, two hundred forty-five".