1452215 has 4 divisors (see below), whose sum is σ = 1742664. Its totient is φ = 1161768.

The previous prime is 1452211. The next prime is 1452221. The reversal of 1452215 is 5122541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1452215 - 2² = 1452211 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 (1452211) 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 3 ways as a sum of consecutive naturals, for example, 145217 + ... + 145226.

It is an arithmetic number, because the mean of its divisors is an integer number (435666).

2^1452215 is an apocalyptic number.

1452215 is a deficient number, since it is larger than the sum of its proper divisors (290449).

1452215 is an equidigital number, since it uses as much as digits as its factorization.

1452215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290448.

The product of its digits is 400, while the sum is 20.

The square root of 1452215 is about 1205.0788355954. The cubic root of 1452215 is about 113.2427236170.

Adding to 1452215 its reverse (5122541), we get a palindrome (6574756).

The spelling of 1452215 in words is "one million, four hundred fifty-two thousand, two hundred fifteen".