1049111100 has 108 divisors (see below), whose sum is σ = 3299960664. Its totient is φ = 278778240.

The previous prime is 1049111099. The next prime is 1049111117. The reversal of 1049111100 is 11119401.

It is a super-2 number, since 2×1049111100² = 2201268200286420000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 274402 + ... + 278198.

Almost surely, 2^1049111100 is an apocalyptic number.

1049111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649980332).

1049111100 is an abundant number, since it is smaller than the sum of its proper divisors (2250849564).

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

1049111100 is a wasteful number, since it uses less digits than its factorization.

1049111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 1049111100 is about 32389.9845631331. The cubic root of 1049111100 is about 1016.1094584677.

The spelling of 1049111100 in words is "one billion, forty-nine million, one hundred eleven thousand, one hundred".