103330042 has 4 divisors (see below), whose sum is σ = 154995066. Its totient is φ = 51665020.

The previous prime is 103330039. The next prime is 103330057. The reversal of 103330042 is 240033301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240033301 = 12329 ⋅19469.

It can be written as a sum of positive squares in only one way, i.e., 73942801 + 29387241 = 8599^2 + 5421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103329998 and 103330025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25832509 + ... + 25832512.

Almost surely, 2^103330042 is an apocalyptic number.

103330042 is a deficient number, since it is larger than the sum of its proper divisors (51665024).

103330042 is an equidigital number, since it uses as much as digits as its factorization.

103330042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51665023.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 103330042 is about 10165.1385627546. The cubic root of 103330042 is about 469.2549565974.

Adding to 103330042 its reverse (240033301), we get a palindrome (343363343).

The spelling of 103330042 in words is "one hundred three million, three hundred thirty thousand, forty-two".