102242113 has 4 divisors (see below), whose sum is σ = 102367168. Its totient is φ = 102117060.

The previous prime is 102242099. The next prime is 102242143. The reversal of 102242113 is 311242201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102242113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102242143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61293 + ... + 62938.

It is an arithmetic number, because the mean of its divisors is an integer number (25591792).

Almost surely, 2^102242113 is an apocalyptic number.

It is an amenable number.

102242113 is a deficient number, since it is larger than the sum of its proper divisors (125055).

102242113 is an equidigital number, since it uses as much as digits as its factorization.

102242113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125054.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 102242113 is about 10111.4842135069. The cubic root of 102242113 is about 467.6022642251.

Adding to 102242113 its reverse (311242201), we get a palindrome (413484314).

The spelling of 102242113 in words is "one hundred two million, two hundred forty-two thousand, one hundred thirteen".