1103040100 has 18 divisors (see below), whose sum is σ = 2393597234. Its totient is φ = 441216000.

The previous prime is 1103040091. The next prime is 1103040161. The reversal of 1103040100 is 10403011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 24443136 + 1078596964 = 4944^2 + 32842^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5515101 + ... + 5515300.

Almost surely, 2^1103040100 is an apocalyptic number.

1103040100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103040100 is an abundant number, since it is smaller than the sum of its proper divisors (1290557134).

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

1103040100 is a wasteful number, since it uses less digits than its factorization.

1103040100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11030415 (or 11030408 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1103040100 is about 33212.0475129131. The cubic root of 1103040100 is about 1033.2302209518.

Adding to 1103040100 its reverse (10403011), we get a palindrome (1113443111).

The spelling of 1103040100 in words is "one billion, one hundred three million, forty thousand, one hundred".