1230253 has 4 divisors (see below), whose sum is σ = 1233180. Its totient is φ = 1227328.

The previous prime is 1230241. The next prime is 1230263. The reversal of 1230253 is 3520321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1119364 + 110889 = 1058^2 + 333^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230253 - 2¹⁷ = 1099181 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 (1230223) 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 3 ways as a sum of consecutive naturals, for example, 700 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (308295).

2^1230253 is an apocalyptic number.

It is an amenable number.

1230253 is a deficient number, since it is larger than the sum of its proper divisors (2927).

1230253 is an equidigital number, since it uses as much as digits as its factorization.

1230253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1230253 is about 1109.1677059850. The cubic root of 1230253 is about 107.1514726617.

Adding to 1230253 its reverse (3520321), we get a palindrome (4750574).

The spelling of 1230253 in words is "one million, two hundred thirty thousand, two hundred fifty-three".