1351223 has 8 divisors (see below), whose sum is σ = 1433520. Its totient is φ = 1273608.

The previous prime is 1351213. The next prime is 1351241. The reversal of 1351223 is 3221531.

It is not a de Polignac number, because 1351223 - 2¹² = 1347127 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351213) 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, 6761 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (179190).

2^1351223 is an apocalyptic number.

1351223 is a deficient number, since it is larger than the sum of its proper divisors (82297).

1351223 is an frugal number, since it uses more digits than its factorization.

1351223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 216 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 1351223 is about 1162.4211801236. The cubic root of 1351223 is about 110.5543094824.

Adding to 1351223 its reverse (3221531), we get a palindrome (4572754).

The spelling of 1351223 in words is "one million, three hundred fifty-one thousand, two hundred twenty-three".