1230237 has 6 divisors (see below), whose sum is σ = 1777022. Its totient is φ = 820152.

The previous prime is 1230233. The next prime is 1230241. The reversal of 1230237 is 7320321.

It is an interprime number because it is at equal distance from previous prime (1230233) and next prime (1230241).

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 171396 = 1029^2 + 414^2 .

It is not a de Polignac number, because 1230237 - 2² = 1230233 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 (1230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68338 + ... + 68355.

2^1230237 is an apocalyptic number.

It is an amenable number.

1230237 is a deficient number, since it is larger than the sum of its proper divisors (546785).

1230237 is a wasteful number, since it uses less digits than its factorization.

1230237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136699 (or 136696 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1230237 is about 1109.1604933462. The cubic root of 1230237 is about 107.1510081418.

Adding to 1230237 its reverse (7320321), we get a palindrome (8550558).

The spelling of 1230237 in words is "one million, two hundred thirty thousand, two hundred thirty-seven".