102042241 has 4 divisors (see below), whose sum is σ = 116619712. Its totient is φ = 87464772.

The previous prime is 102042223. The next prime is 102042251. The reversal of 102042241 is 142240201.

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 not a de Polignac number, because 102042241 - 2⁵ = 102042209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102042221) 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, 7288725 + ... + 7288738.

It is an arithmetic number, because the mean of its divisors is an integer number (29154928).

Almost surely, 2^102042241 is an apocalyptic number.

It is an amenable number.

102042241 is a deficient number, since it is larger than the sum of its proper divisors (14577471).

102042241 is an equidigital number, since it uses as much as digits as its factorization.

102042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577470.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102042241 is about 10101.5959630150. The cubic root of 102042241 is about 467.2973619203.

Adding to 102042241 its reverse (142240201), we get a palindrome (244282442).

The spelling of 102042241 in words is "one hundred two million, forty-two thousand, two hundred forty-one".