1102120444 has 24 divisors (see below), whose sum is σ = 1978276608. Its totient is φ = 536959920.

The previous prime is 1102120391. The next prime is 1102120471. The reversal of 1102120444 is 4440212011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66699 + ... + 81565.

It is an arithmetic number, because the mean of its divisors is an integer number (82428192).

Almost surely, 2^1102120444 is an apocalyptic number.

It is an amenable number.

1102120444 is a deficient number, since it is larger than the sum of its proper divisors (876156164).

1102120444 is a wasteful number, since it uses less digits than its factorization.

1102120444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15345 (or 15343 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1102120444 is about 33198.1994090041. The cubic root of 1102120444 is about 1032.9429903623.

Adding to 1102120444 its reverse (4440212011), we get a palindrome (5542332455).

The spelling of 1102120444 in words is "one billion, one hundred two million, one hundred twenty thousand, four hundred forty-four".