103123242 has 24 divisors (see below), whose sum is σ = 224377920. Its totient is φ = 34229160.

The previous prime is 103123211. The next prime is 103123243. The reversal of 103123242 is 242321301.

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 (103123243) 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 11 ways as a sum of consecutive naturals, for example, 7684 + ... + 16287.

It is an arithmetic number, because the mean of its divisors is an integer number (9349080).

Almost surely, 2^103123242 is an apocalyptic number.

103123242 is an abundant number, since it is smaller than the sum of its proper divisors (121254678).

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

103123242 is a wasteful number, since it uses less digits than its factorization.

103123242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24218 (or 24215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103123242 is about 10154.9614474896. The cubic root of 103123242 is about 468.9416990858.

Adding to 103123242 its reverse (242321301), we get a palindrome (345444543).

The spelling of 103123242 in words is "one hundred three million, one hundred twenty-three thousand, two hundred forty-two".