1100001048 has 128 divisors (see below), whose sum is σ = 3081888000. Its totient is φ = 326269440.

The previous prime is 1100001047. The next prime is 1100001053. The reversal of 1100001048 is 8401000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100001041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2240083 + ... + 2240573.

It is an arithmetic number, because the mean of its divisors is an integer number (24077250).

Almost surely, 2^1100001048 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 1100001048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540944000).

1100001048 is an abundant number, since it is smaller than the sum of its proper divisors (1981886952).

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

1100001048 is a wasteful number, since it uses less digits than its factorization.

1100001048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1100001048 is about 33166.2637027447. The cubic root of 1100001048 is about 1032.2804432834.

Adding to 1100001048 its reverse (8401000011), we get a palindrome (9501001059).

The spelling of 1100001048 in words is "one billion, one hundred million, one thousand, forty-eight".