1127431241 has 4 divisors (see below), whose sum is σ = 1127930832. Its totient is φ = 1126931652.

The previous prime is 1127431237. The next prime is 1127431259. The reversal of 1127431241 is 1421347211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1127431241 - 2² = 1127431237 is a prime.

It is a super-2 number, since 2×1127431241² = 2542202406365600162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1127431241.

It is not an unprimeable number, because it can be changed into a prime (1127431271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246395 + ... + 250928.

It is an arithmetic number, because the mean of its divisors is an integer number (281982708).

Almost surely, 2^1127431241 is an apocalyptic number.

It is an amenable number.

1127431241 is a deficient number, since it is larger than the sum of its proper divisors (499591).

1127431241 is an equidigital number, since it uses as much as digits as its factorization.

1127431241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499590.

The product of its digits is 1344, while the sum is 26.

The square root of 1127431241 is about 33577.2429034905. The cubic root of 1127431241 is about 1040.7905850680.

Adding to 1127431241 its reverse (1421347211), we get a palindrome (2548778452).

The spelling of 1127431241 in words is "one billion, one hundred twenty-seven million, four hundred thirty-one thousand, two hundred forty-one".