11129250 has 128 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 2520000.

The previous prime is 11129249. The next prime is 11129273. The reversal of 11129250 is 5292111.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 156715 + ... + 156785.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

Almost surely, 2^11129250 is an apocalyptic number.

11129250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11129250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16174080).

11129250 is an abundant number, since it is smaller than the sum of its proper divisors (21218910).

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

11129250 is a wasteful number, since it uses less digits than its factorization.

11129250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11129250 is about 3336.0530571320. The cubic root of 11129250 is about 223.2656783760.

The spelling of 11129250 in words is "eleven million, one hundred twenty-nine thousand, two hundred fifty".