1252231 has 4 divisors (see below), whose sum is σ = 1275912. Its totient is φ = 1228552.

The previous prime is 1252219. The next prime is 1252247. The reversal of 1252231 is 1322521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252231 - 2⁷ = 1252103 is a prime.

It is a super-2 number, since 2×1252231² = 3136164954722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252201) 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, 11761 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (318978).

2^1252231 is an apocalyptic number.

1252231 is a deficient number, since it is larger than the sum of its proper divisors (23681).

1252231 is an equidigital number, since it uses as much as digits as its factorization.

1252231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23680.

The product of its digits is 120, while the sum is 16.

The square root of 1252231 is about 1119.0312774896. The cubic root of 1252231 is about 107.7857836623.

Adding to 1252231 its reverse (1322521), we get a palindrome (2574752).

The spelling of 1252231 in words is "one million, two hundred fifty-two thousand, two hundred thirty-one".