1102404144 has 160 divisors (see below), whose sum is σ = 3099801600. Its totient is φ = 336752640.

The previous prime is 1102404137. The next prime is 1102404167. The reversal of 1102404144 is 4414042011.

It is a self number, because there is not a number n which added to its sum of digits gives 1102404144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2545752 + ... + 2546184.

It is an arithmetic number, because the mean of its divisors is an integer number (19373760).

Almost surely, 2^1102404144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102404144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549900800).

1102404144 is an abundant number, since it is smaller than the sum of its proper divisors (1997397456).

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

1102404144 is a wasteful number, since it uses less digits than its factorization.

1102404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 557 counting only the distinct ones).

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

The square root of 1102404144 is about 33202.4719561662. The cubic root of 1102404144 is about 1033.0316137026.

Adding to 1102404144 its reverse (4414042011), we get a palindrome (5516446155).

The spelling of 1102404144 in words is "one billion, one hundred two million, four hundred four thousand, one hundred forty-four".