1121431341 has 8 divisors (see below), whose sum is σ = 1497466240. Its totient is φ = 746508672.

The previous prime is 1121431331. The next prime is 1121431393. The reversal of 1121431341 is 1431341211.

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

It is not a de Polignac number, because 1121431341 - 2⁹ = 1121430829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121431321) 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, 275701 + ... + 279738.

It is an arithmetic number, because the mean of its divisors is an integer number (187183280).

Almost surely, 2^1121431341 is an apocalyptic number.

It is an amenable number.

1121431341 is a deficient number, since it is larger than the sum of its proper divisors (376034899).

1121431341 is an equidigital number, since it uses as much as digits as its factorization.

1121431341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556115.

The product of its digits is 288, while the sum is 21.

The square root of 1121431341 is about 33487.7789798010. The cubic root of 1121431341 is about 1038.9410266713.

Adding to 1121431341 its reverse (1431341211), we get a palindrome (2552772552).

The spelling of 1121431341 in words is "one billion, one hundred twenty-one million, four hundred thirty-one thousand, three hundred forty-one".