1243132441 has 8 divisors (see below), whose sum is σ = 1256448960. Its totient is φ = 1229840112.

The previous prime is 1243132427. The next prime is 1243132459. The reversal of 1243132441 is 1442313421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1243132441 - 2¹⁷ = 1243001369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243132421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108786 + ... + 119668.

It is an arithmetic number, because the mean of its divisors is an integer number (157056120).

Almost surely, 2^1243132441 is an apocalyptic number.

It is an amenable number.

1243132441 is a deficient number, since it is larger than the sum of its proper divisors (13316519).

1243132441 is a wasteful number, since it uses less digits than its factorization.

1243132441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095.

The product of its digits is 2304, while the sum is 25.

The square root of 1243132441 is about 35258.0833426889. The cubic root of 1243132441 is about 1075.2409601548.

Adding to 1243132441 its reverse (1442313421), we get a palindrome (2685445862).

The spelling of 1243132441 in words is "one billion, two hundred forty-three million, one hundred thirty-two thousand, four hundred forty-one".