1214445 has 8 divisors (see below), whose sum is σ = 1943136. Its totient is φ = 647696.

The previous prime is 1214441. The next prime is 1214453. The reversal of 1214445 is 5444121.

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 1214445 - 2² = 1214441 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 (1214441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40467 + ... + 40496.

It is an arithmetic number, because the mean of its divisors is an integer number (242892).

2^1214445 is an apocalyptic number.

1214445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1214445 is a deficient number, since it is larger than the sum of its proper divisors (728691).

1214445 is an equidigital number, since it uses as much as digits as its factorization.

1214445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80971.

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

The square root of 1214445 is about 1102.0186023838. The cubic root of 1214445 is about 106.6905491229.

Adding to 1214445 its reverse (5444121), we get a palindrome (6658566).

The spelling of 1214445 in words is "one million, two hundred fourteen thousand, four hundred forty-five".