1102401444 has 12 divisors (see below), whose sum is σ = 2572270064. Its totient is φ = 367467144.

The previous prime is 1102401439. The next prime is 1102401491. The reversal of 1102401444 is 4441042011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1102401444.

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, 45933382 + ... + 45933405.

Almost surely, 2^1102401444 is an apocalyptic number.

It is an amenable number.

1102401444 is an abundant number, since it is smaller than the sum of its proper divisors (1469868620).

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

1102401444 is a wasteful number, since it uses less digits than its factorization.

1102401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91866794 (or 91866792 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1102401444 is about 33202.4312965180. The cubic root of 1102401444 is about 1033.0307703374.

Adding to 1102401444 its reverse (4441042011), we get a palindrome (5543443455).

The spelling of 1102401444 in words is "one billion, one hundred two million, four hundred one thousand, four hundred forty-four".