10131750 has 128 divisors (see below), whose sum is σ = 29952000. Its totient is φ = 2527200.

The previous prime is 10131739. The next prime is 10131763. The reversal of 10131750 is 5713101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

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, 128211 + ... + 128289.

It is an arithmetic number, because the mean of its divisors is an integer number (234000).

Almost surely, 2^10131750 is an apocalyptic number.

10131750 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 10131750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14976000).

10131750 is an abundant number, since it is smaller than the sum of its proper divisors (19820250).

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

10131750 is a wasteful number, since it uses less digits than its factorization.

10131750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 10131750 is about 3183.0409987934. The cubic root of 10131750 is about 216.3854998524.

Adding to 10131750 its reverse (5713101), we get a palindrome (15844851).

The spelling of 10131750 in words is "ten million, one hundred thirty-one thousand, seven hundred fifty".