1121010444 has 36 divisors (see below), whose sum is σ = 2846169144. Its totient is φ = 372021312.

The previous prime is 1121010403. The next prime is 1121010461. The reversal of 1121010444 is 4440101211.

1121010444 is a `hidden beast` number, since 1 + 1 + 210 + 10 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60417 + ... + 76760.

It is an arithmetic number, because the mean of its divisors is an integer number (79060254).

Almost surely, 2^1121010444 is an apocalyptic number.

It is an amenable number.

1121010444 is an abundant number, since it is smaller than the sum of its proper divisors (1725158700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121010444 is a wasteful number, since it uses less digits than its factorization.

1121010444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137414 (or 137409 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1121010444 is about 33481.4940526853. The cubic root of 1121010444 is about 1038.8110315290.

Adding to 1121010444 its reverse (4440101211), we get a palindrome (5561111655).

The spelling of 1121010444 in words is "one billion, one hundred twenty-one million, ten thousand, four hundred forty-four".