1105284180 has 432 divisors, whose sum is σ = 4279322880. Its totient is φ = 211115520.

The previous prime is 1105284161. The next prime is 1105284203. The reversal of 1105284180 is 814825011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4624501 + ... + 4624739.

It is an arithmetic number, because the mean of its divisors is an integer number (9905840).

Almost surely, 2^1105284180 is an apocalyptic number.

1105284180 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 1105284180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139661440).

1105284180 is an abundant number, since it is smaller than the sum of its proper divisors (3174038700).

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

1105284180 is a wasteful number, since it uses less digits than its factorization.

1105284180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 1105284180 is about 33245.8144734040. The cubic root of 1105284180 is about 1033.9304314142.

The spelling of 1105284180 in words is "one billion, one hundred five million, two hundred eighty-four thousand, one hundred eighty".