1371223 has 16 divisors (see below), whose sum is σ = 1658880. Its totient is φ = 1108800.

The previous prime is 1371217. The next prime is 1371229. The reversal of 1371223 is 3221731.

It is an interprime number because it is at equal distance from previous prime (1371217) and next prime (1371229).

It is not a de Polignac number, because 1371223 - 2¹³ = 1363031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1371223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15363 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^1371223 is an apocalyptic number.

1371223 is a deficient number, since it is larger than the sum of its proper divisors (287657).

1371223 is an equidigital number, since it uses as much as digits as its factorization.

1371223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

The product of its digits is 252, while the sum is 19.

The square root of 1371223 is about 1170.9923142361. The cubic root of 1371223 is about 111.0970933057.

Adding to 1371223 its reverse (3221731), we get a palindrome (4592954).

The spelling of 1371223 in words is "one million, three hundred seventy-one thousand, two hundred twenty-three".