1131244414 has 4 divisors (see below), whose sum is σ = 1696866624. Its totient is φ = 565622206.

The previous prime is 1131244409. The next prime is 1131244417. The reversal of 1131244414 is 4144421311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131244417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282811102 + ... + 282811105.

It is an arithmetic number, because the mean of its divisors is an integer number (424216656).

Almost surely, 2^1131244414 is an apocalyptic number.

1131244414 is a deficient number, since it is larger than the sum of its proper divisors (565622210).

1131244414 is an equidigital number, since it uses as much as digits as its factorization.

1131244414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565622209.

The product of its digits is 1536, while the sum is 25.

The square root of 1131244414 is about 33633.9770767597. The cubic root of 1131244414 is about 1041.9626443186.

Adding to 1131244414 its reverse (4144421311), we get a palindrome (5275665725).

The spelling of 1131244414 in words is "one billion, one hundred thirty-one million, two hundred forty-four thousand, four hundred fourteen".