1241132231 has 4 divisors (see below), whose sum is σ = 1306455000. Its totient is φ = 1175809464.

The previous prime is 1241132171. The next prime is 1241132239. The reversal of 1241132231 is 1322311421.

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 1241132231 - 2¹⁸ = 1240870087 is a prime.

It is a super-2 number, since 2×1241132231² = 3080818429654074722, 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 (1241132239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32661356 + ... + 32661393.

It is an arithmetic number, because the mean of its divisors is an integer number (326613750).

Almost surely, 2^1241132231 is an apocalyptic number.

1241132231 is a deficient number, since it is larger than the sum of its proper divisors (65322769).

1241132231 is an equidigital number, since it uses as much as digits as its factorization.

1241132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65322768.

The product of its digits is 288, while the sum is 20.

The square root of 1241132231 is about 35229.7066550376. The cubic root of 1241132231 is about 1074.6639601549.

Adding to 1241132231 its reverse (1322311421), we get a palindrome (2563443652).

The spelling of 1241132231 in words is "one billion, two hundred forty-one million, one hundred thirty-two thousand, two hundred thirty-one".