11231250 has 48 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 2990000.

The previous prime is 11231243. The next prime is 11231257. The reversal of 11231250 is 5213211.

It is an interprime number because it is at equal distance from previous prime (11231243) and next prime (11231257).

It is a super-2 number, since 2×11231250² = 252281953125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11231257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18451 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^11231250 is an apocalyptic number.

11231250 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 11231250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14061600).

11231250 is an abundant number, since it is smaller than the sum of its proper divisors (16891950).

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

11231250 is an frugal number, since it uses more digits than its factorization.

11231250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11231250 is about 3351.3057156875. The cubic root of 11231250 is about 223.9456846411.

Adding to 11231250 its reverse (5213211), we get a palindrome (16444461).

The spelling of 11231250 in words is "eleven million, two hundred thirty-one thousand, two hundred fifty".