1110001338 has 24 divisors (see below), whose sum is σ = 2445768000. Its totient is φ = 363728904.

The previous prime is 1110001309. The next prime is 1110001339. The reversal of 1110001338 is 8331000111.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110001338.

It is not an unprimeable number, because it can be changed into a prime (1110001339) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 521538 + ... + 523661.

It is an arithmetic number, because the mean of its divisors is an integer number (101907000).

Almost surely, 2^1110001338 is an apocalyptic number.

1110001338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1110001338 is an abundant number, since it is smaller than the sum of its proper divisors (1335766662).

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

1110001338 is a wasteful number, since it uses less digits than its factorization.

1110001338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045266 (or 1045263 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1110001338 is about 33316.6825779518. The cubic root of 1110001338 is about 1035.3992214733.

Adding to 1110001338 its reverse (8331000111), we get a palindrome (9441001449).

The spelling of 1110001338 in words is "one billion, one hundred ten million, one thousand, three hundred thirty-eight".