103242427 has 2 divisors, whose sum is σ = 103242428. Its totient is φ = 103242426.

The previous prime is 103242397. The next prime is 103242467. The reversal of 103242427 is 724242301.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (724242301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103242427 - 2¹⁹ = 102718139 is a prime.

It is not a weakly prime, because it can be changed into another prime (103242467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51621213 + 51621214.

It is an arithmetic number, because the mean of its divisors is an integer number (51621214).

Almost surely, 2^103242427 is an apocalyptic number.

103242427 is a deficient number, since it is larger than the sum of its proper divisors (1).

103242427 is an equidigital number, since it uses as much as digits as its factorization.

103242427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 103242427 is about 10160.8280666489. The cubic root of 103242427 is about 469.1222897950.

Adding to 103242427 its reverse (724242301), we get a palindrome (827484728).

The spelling of 103242427 in words is "one hundred three million, two hundred forty-two thousand, four hundred twenty-seven".