1011444073 has 4 divisors (see below), whose sum is σ = 1011533380. Its totient is φ = 1011354768.

The previous prime is 1011444041. The next prime is 1011444097. The reversal of 1011444073 is 3704441101.

It is a happy number.

1011444073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3704441101 = 30059 ⋅123239.

It can be written as a sum of positive squares in 2 ways, for example, as 154828249 + 856615824 = 12443^2 + 29268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011444073 - 2⁵ = 1011444041 is a prime.

It is a super-2 number, since 2×1011444073² = 2046038225613658658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011444013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24690 + ... + 51307.

It is an arithmetic number, because the mean of its divisors is an integer number (252883345).

Almost surely, 2^1011444073 is an apocalyptic number.

It is an amenable number.

1011444073 is a deficient number, since it is larger than the sum of its proper divisors (89307).

1011444073 is an equidigital number, since it uses as much as digits as its factorization.

1011444073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89306.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1011444073 is about 31803.2085331024. The cubic root of 1011444073 is about 1003.8002309507.

Adding to 1011444073 its reverse (3704441101), we get a palindrome (4715885174).

The spelling of 1011444073 in words is "one billion, eleven million, four hundred forty-four thousand, seventy-three".