1100012444 has 12 divisors (see below), whose sum is σ = 2008718544. Its totient is φ = 526092864.

The previous prime is 1100012437. The next prime is 1100012471. The reversal of 1100012444 is 4442100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5978237 + ... + 5978420.

It is an arithmetic number, because the mean of its divisors is an integer number (167393212).

Almost surely, 2^1100012444 is an apocalyptic number.

It is an amenable number.

1100012444 is a deficient number, since it is larger than the sum of its proper divisors (908706100).

1100012444 is a wasteful number, since it uses less digits than its factorization.

1100012444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956684 (or 11956682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1100012444 is about 33166.4355033820. The cubic root of 1100012444 is about 1032.2840080762.

Adding to 1100012444 its reverse (4442100011), we get a palindrome (5542112455).

The spelling of 1100012444 in words is "one billion, one hundred million, twelve thousand, four hundred forty-four".