1011001104 has 60 divisors (see below), whose sum is σ = 2838080752. Its totient is φ = 335966400.

The previous prime is 1011001091. The next prime is 1011001151. The reversal of 1011001104 is 4011001101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37059 + ... + 58269.

Almost surely, 2^1011001104 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 1011001104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419040376).

1011001104 is an abundant number, since it is smaller than the sum of its proper divisors (1827079648).

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

1011001104 is a wasteful number, since it uses less digits than its factorization.

1011001104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21556 (or 21547 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1011001104 is about 31796.2435517154. The cubic root of 1011001104 is about 1003.6536691107.

Adding to 1011001104 its reverse (4011001101), we get a palindrome (5022002205).

The spelling of 1011001104 in words is "one billion, eleven million, one thousand, one hundred four".