103242015 has 12 divisors (see below), whose sum is σ = 178952904. Its totient is φ = 55062384.

The previous prime is 103241989. The next prime is 103242031. The reversal of 103242015 is 510242301.

It is a de Polignac number, because none of the positive numbers 2^k-103242015 is a prime.

It is a super-2 number, since 2×103242015² = 21317827322520450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1147089 + ... + 1147178.

It is an arithmetic number, because the mean of its divisors is an integer number (14912742).

Almost surely, 2^103242015 is an apocalyptic number.

103242015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103242015 is a deficient number, since it is larger than the sum of its proper divisors (75710889).

103242015 is a wasteful number, since it uses less digits than its factorization.

103242015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294278 (or 2294275 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 103242015 is about 10160.8077926905. The cubic root of 103242015 is about 469.1216657665.

Adding to 103242015 its reverse (510242301), we get a palindrome (613484316).

The spelling of 103242015 in words is "one hundred three million, two hundred forty-two thousand, fifteen".