10117530 has 48 divisors (see below), whose sum is σ = 26657280. Its totient is φ = 2661984.

The previous prime is 10117517. The next prime is 10117531. The reversal of 10117530 is 3571101.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (10117531) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6399 + ... + 7821.

It is an arithmetic number, because the mean of its divisors is an integer number (555360).

Almost surely, 2^10117530 is an apocalyptic number.

10117530 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 10117530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13328640).

10117530 is an abundant number, since it is smaller than the sum of its proper divisors (16539750).

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

10117530 is a wasteful number, since it uses less digits than its factorization.

10117530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1512 counting only the distinct ones).

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

The square root of 10117530 is about 3180.8065015024. The cubic root of 10117530 is about 216.2842194726.

Adding to 10117530 its reverse (3571101), we get a palindrome (13688631).

The spelling of 10117530 in words is "ten million, one hundred seventeen thousand, five hundred thirty".