1201112441 has 4 divisors (see below), whose sum is σ = 1271766132. Its totient is φ = 1130458752.

The previous prime is 1201112411. The next prime is 1201112443. The reversal of 1201112441 is 1442111021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1442111021 = 13 ⋅110931617.

It can be written as a sum of positive squares in 2 ways, for example, as 1115827216 + 85285225 = 33404^2 + 9235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201112441 - 2⁶ = 1201112377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 70653673 = 1201112441 / (1 + 2 + 0 + 1 + 1 + 1 + 2 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201112443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35326820 + ... + 35326853.

It is an arithmetic number, because the mean of its divisors is an integer number (317941533).

Almost surely, 2^1201112441 is an apocalyptic number.

It is an amenable number.

1201112441 is a deficient number, since it is larger than the sum of its proper divisors (70653691).

1201112441 is an equidigital number, since it uses as much as digits as its factorization.

1201112441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70653690.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1201112441 is about 34657.0691345936. The cubic root of 1201112441 is about 1062.9868413640.

Adding to 1201112441 its reverse (1442111021), we get a palindrome (2643223462).

The spelling of 1201112441 in words is "one billion, two hundred one million, one hundred twelve thousand, four hundred forty-one".