1298223 has 6 divisors (see below), whose sum is σ = 1875224. Its totient is φ = 865476.

The previous prime is 1298221. The next prime is 1298261. The reversal of 1298223 is 3228921.

It is a happy number.

It is not a de Polignac number, because 1298223 - 2¹ = 1298221 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 (1298221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72115 + ... + 72132.

2^1298223 is an apocalyptic number.

1298223 is a deficient number, since it is larger than the sum of its proper divisors (577001).

1298223 is a wasteful number, since it uses less digits than its factorization.

1298223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144253 (or 144250 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1298223 is about 1139.3958925676. The cubic root of 1298223 is about 109.0895372934.

It can be divided in two parts, 1298 and 223, that added together give a square (1521 = 39²).

The spelling of 1298223 in words is "one million, two hundred ninety-eight thousand, two hundred twenty-three".