103242421 has 8 divisors (see below), whose sum is σ = 104124384. Its totient is φ = 102364080.

The previous prime is 103242397. The next prime is 103242427. The reversal of 103242421 is 124242301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103242421 - 2⁹ = 103241909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103242427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94086 + ... + 95176.

It is an arithmetic number, because the mean of its divisors is an integer number (13015548).

Almost surely, 2^103242421 is an apocalyptic number.

It is an amenable number.

103242421 is a deficient number, since it is larger than the sum of its proper divisors (881963).

103242421 is a wasteful number, since it uses less digits than its factorization.

103242421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 103242421 is about 10160.8277713974. The cubic root of 103242421 is about 469.1222807072.

Adding to 103242421 its reverse (124242301), we get a palindrome (227484722).

The spelling of 103242421 in words is "one hundred three million, two hundred forty-two thousand, four hundred twenty-one".