105055100 has 36 divisors (see below), whose sum is σ = 229282200. Its totient is φ = 41780160.

The previous prime is 105055051. The next prime is 105055109. The reversal of 105055100 is 1550501.

It is a super-2 number, since 2×105055100² = 22073148072020000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105055109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14966 + ... + 20834.

It is an arithmetic number, because the mean of its divisors is an integer number (6368950).

Almost surely, 2^105055100 is an apocalyptic number.

105055100 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 105055100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114641100).

105055100 is an abundant number, since it is smaller than the sum of its proper divisors (124227100).

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

105055100 is a wasteful number, since it uses less digits than its factorization.

105055100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 105055100 is about 10249.6390180338. The cubic root of 105055100 is about 471.8519058037.

The spelling of 105055100 in words is "one hundred five million, fifty-five thousand, one hundred".