10121250 has 40 divisors (see below), whose sum is σ = 25304400. Its totient is φ = 2698000.

The previous prime is 10121233. The next prime is 10121257. The reversal of 10121250 is 5212101.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10121257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2401 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (632610).

Almost surely, 2^10121250 is an apocalyptic number.

10121250 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 10121250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12652200).

10121250 is an abundant number, since it is smaller than the sum of its proper divisors (15183150).

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

10121250 is an equidigital number, since it uses as much as digits as its factorization.

10121250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 10121250 is about 3181.3912051177. The cubic root of 10121250 is about 216.3107239227.

Adding to 10121250 its reverse (5212101), we get a palindrome (15333351).

The spelling of 10121250 in words is "ten million, one hundred twenty-one thousand, two hundred fifty".