1105380900 has 108 divisors (see below), whose sum is σ = 3731314132. Its totient is φ = 272090880.

The previous prime is 1105380893. The next prime is 1105380929. The reversal of 1105380900 is 90835011.

It can be written as a sum of positive squares in 6 ways, for example, as 1679616 + 1103701284 = 1296^2 + 33222^2 .

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, 35539 + ... + 58938.

Almost surely, 2^1105380900 is an apocalyptic number.

1105380900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105380900 is an abundant number, since it is smaller than the sum of its proper divisors (2625933232).

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

1105380900 is a wasteful number, since it uses less digits than its factorization.

1105380900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94510 (or 94500 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1105380900 is about 33247.2690607815. The cubic root of 1105380900 is about 1033.9605892193.

The spelling of 1105380900 in words is "one billion, one hundred five million, three hundred eighty thousand, nine hundred".