103242242 has 4 divisors (see below), whose sum is σ = 154863366. Its totient is φ = 51621120.

The previous prime is 103242229. The next prime is 103242281. The reversal of 103242242 is 242242301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71893441 + 31348801 = 8479^2 + 5599^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25810559 + ... + 25810562.

Almost surely, 2^103242242 is an apocalyptic number.

103242242 is a deficient number, since it is larger than the sum of its proper divisors (51621124).

103242242 is an equidigital number, since it uses as much as digits as its factorization.

103242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51621123.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 103242242 is about 10160.8189630561. The cubic root of 103242242 is about 469.1220095882.

Adding to 103242242 its reverse (242242301), we get a palindrome (345484543).

The spelling of 103242242 in words is "one hundred three million, two hundred forty-two thousand, two hundred forty-two".