1123511441 has 8 divisors (see below), whose sum is σ = 1210661760. Its totient is φ = 1036464912.

The previous prime is 1123511399. The next prime is 1123511483. The reversal of 1123511441 is 1441153211.

It is an interprime number because it is at equal distance from previous prime (1123511399) and next prime (1123511483).

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 1123511441 - 2²² = 1119317137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123511491) 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, 2681 + ... + 47478.

It is an arithmetic number, because the mean of its divisors is an integer number (151332720).

Almost surely, 2^1123511441 is an apocalyptic number.

It is an amenable number.

1123511441 is a deficient number, since it is larger than the sum of its proper divisors (87150319).

1123511441 is a wasteful number, since it uses less digits than its factorization.

1123511441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51895.

The product of its digits is 480, while the sum is 23.

The square root of 1123511441 is about 33518.8221899279. The cubic root of 1123511441 is about 1039.5829938742.

Adding to 1123511441 its reverse (1441153211), we get a palindrome (2564664652).

The spelling of 1123511441 in words is "one billion, one hundred twenty-three million, five hundred eleven thousand, four hundred forty-one".