10125810 has 64 divisors (see below), whose sum is σ = 27394560. Its totient is φ = 2694384.

The previous prime is 10125799. The next prime is 10125847. The reversal of 10125810 is 1852101.

It is a super-2 number, since 2×10125810² = 205064056312200, which contains 22 as substring.

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

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

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 31 ways as a sum of consecutive naturals, for example, 21639 + ... + 22101.

It is an arithmetic number, because the mean of its divisors is an integer number (428040).

Almost surely, 2^10125810 is an apocalyptic number.

10125810 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 10125810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13697280).

10125810 is an abundant number, since it is smaller than the sum of its proper divisors (17268750).

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

10125810 is an frugal number, since it uses more digits than its factorization.

10125810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 10125810 is about 3182.1077920146. The cubic root of 10125810 is about 216.3432043906.

Adding to 10125810 its reverse (1852101), we get a palindrome (11977911).

The spelling of 10125810 in words is "ten million, one hundred twenty-five thousand, eight hundred ten".