1251323 has 2 divisors, whose sum is σ = 1251324. Its totient is φ = 1251322.

The previous prime is 1251317. The next prime is 1251329. The reversal of 1251323 is 3231521.

It is a balanced prime because it is at equal distance from previous prime (1251317) and next prime (1251329).

It is an emirp because it is prime and its reverse (3231521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1251323 - 2⁴ = 1251307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1251329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625661 + 625662.

It is an arithmetic number, because the mean of its divisors is an integer number (625662).

2^1251323 is an apocalyptic number.

1251323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1251323 is an equidigital number, since it uses as much as digits as its factorization.

1251323 is an evil number, because the sum of its binary digits is even.

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

The square root of 1251323 is about 1118.6254958653. The cubic root of 1251323 is about 107.7597253295.

Adding to 1251323 its reverse (3231521), we get a palindrome (4482844).

The spelling of 1251323 in words is "one million, two hundred fifty-one thousand, three hundred twenty-three".