103240242 has 24 divisors (see below), whose sum is σ = 255642816. Its totient is φ = 29497176.

The previous prime is 103240229. The next prime is 103240259. The reversal of 103240242 is 242042301.

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

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, 409558 + ... + 409809.

It is an arithmetic number, because the mean of its divisors is an integer number (10651784).

Almost surely, 2^103240242 is an apocalyptic number.

103240242 is an abundant number, since it is smaller than the sum of its proper divisors (152402574).

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

103240242 is a wasteful number, since it uses less digits than its factorization.

103240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819382 (or 819379 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 103240242 is about 10160.7205453157. The cubic root of 103240242 is about 469.1189803047.

Adding to 103240242 its reverse (242042301), we get a palindrome (345282543).

The spelling of 103240242 in words is "one hundred three million, two hundred forty thousand, two hundred forty-two".