1330237 has 2 divisors, whose sum is σ = 1330238. Its totient is φ = 1330236.

The previous prime is 1330229. The next prime is 1330249. The reversal of 1330237 is 7320331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 51076 = 1131^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330237 - 2³ = 1330229 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665118 + 665119.

It is an arithmetic number, because the mean of its divisors is an integer number (665119).

2^1330237 is an apocalyptic number.

It is an amenable number.

1330237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330237 is an equidigital number, since it uses as much as digits as its factorization.

1330237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 1330237 is about 1153.3590074214. The cubic root of 1330237 is about 109.9789766985.

Adding to 1330237 its reverse (7320331), we get a palindrome (8650568).

The spelling of 1330237 in words is "one million, three hundred thirty thousand, two hundred thirty-seven".