1123140441 has 8 divisors (see below), whose sum is σ = 1500145504. Its totient is φ = 747447840.

The previous prime is 1123140419. The next prime is 1123140443. The reversal of 1123140441 is 1440413211.

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

It is not a de Polignac number, because 1123140441 - 2⁹ = 1123139929 is a prime.

It is a super-2 number, since 2×1123140441² = 2522888900419348962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123140443) 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, 326116 + ... + 329541.

It is an arithmetic number, because the mean of its divisors is an integer number (187518188).

Almost surely, 2^1123140441 is an apocalyptic number.

It is an amenable number.

1123140441 is a deficient number, since it is larger than the sum of its proper divisors (377005063).

1123140441 is an equidigital number, since it uses as much as digits as its factorization.

1123140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656231.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1123140441 is about 33513.2875289787. The cubic root of 1123140441 is about 1039.4685527457.

Adding to 1123140441 its reverse (1440413211), we get a palindrome (2563553652).

The spelling of 1123140441 in words is "one billion, one hundred twenty-three million, one hundred forty thousand, four hundred forty-one".