11129900 has 36 divisors (see below), whose sum is σ = 25576488. Its totient is φ = 4189440.

The previous prime is 11129893. The next prime is 11129903. The reversal of 11129900 is 992111.

It is not an unprimeable number, because it can be changed into a prime (11129903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1574 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (710458).

Almost surely, 2^11129900 is an apocalyptic number.

11129900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11129900 is an abundant number, since it is smaller than the sum of its proper divisors (14446588).

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

11129900 is a wasteful number, since it uses less digits than its factorization.

11129900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578 (or 6571 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 11129900 is about 3336.1504762226. The cubic root of 11129900 is about 223.2700248763.

The spelling of 11129900 in words is "eleven million, one hundred twenty-nine thousand, nine hundred".