1372243 has 2 divisors, whose sum is σ = 1372244. Its totient is φ = 1372242.

The previous prime is 1372211. The next prime is 1372253. The reversal of 1372243 is 3422731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1372243 - 2⁵ = 1372211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1372253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686121 + 686122.

It is an arithmetic number, because the mean of its divisors is an integer number (686122).

2^1372243 is an apocalyptic number.

1372243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372243 is an equidigital number, since it uses as much as digits as its factorization.

1372243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 22.

The square root of 1372243 is about 1171.4277613238. The cubic root of 1372243 is about 111.1246334283.

Adding to 1372243 its reverse (3422731), we get a palindrome (4794974).

The spelling of 1372243 in words is "one million, three hundred seventy-two thousand, two hundred forty-three".