103912530 has 16 divisors (see below), whose sum is σ = 249390144. Its totient is φ = 27710000.

The previous prime is 103912513. The next prime is 103912531. The reversal of 103912530 is 35219301.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103912530.

It is not an unprimeable number, because it can be changed into a prime (103912531) 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 7 ways as a sum of consecutive naturals, for example, 1731846 + ... + 1731905.

It is an arithmetic number, because the mean of its divisors is an integer number (15586884).

Almost surely, 2^103912530 is an apocalyptic number.

103912530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103912530 is an abundant number, since it is smaller than the sum of its proper divisors (145477614).

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

103912530 is a wasteful number, since it uses less digits than its factorization.

103912530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463761.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 103912530 is about 10193.7495554874. The cubic root of 103912530 is about 470.1350600233.

It can be divided in two parts, 10391 and 2530, that added together give a palindrome (12921).

The spelling of 103912530 in words is "one hundred three million, nine hundred twelve thousand, five hundred thirty".