1241445 has 8 divisors (see below), whose sum is σ = 1986336. Its totient is φ = 662096.

The previous prime is 1241437. The next prime is 1241447. The reversal of 1241445 is 5441421.

It is a happy number.

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 1241445 - 2³ = 1241437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241447) 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, 41367 + ... + 41396.

It is an arithmetic number, because the mean of its divisors is an integer number (248292).

2^1241445 is an apocalyptic number.

1241445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241445 is a deficient number, since it is larger than the sum of its proper divisors (744891).

1241445 is an equidigital number, since it uses as much as digits as its factorization.

1241445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82771.

The product of its digits is 640, while the sum is 21.

The square root of 1241445 is about 1114.2015078073. The cubic root of 1241445 is about 107.4754225407.

Adding to 1241445 its reverse (5441421), we get a palindrome (6682866).

The spelling of 1241445 in words is "one million, two hundred forty-one thousand, four hundred forty-five".