102440241 has 8 divisors (see below), whose sum is σ = 151763360. Its totient is φ = 68293476.

The previous prime is 102440237. The next prime is 102440257. The reversal of 102440241 is 142044201.

It is not a de Polignac number, because 102440241 - 2² = 102440237 is a prime.

It is a super-2 number, since 2×102440241² = 20988005952276162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102440201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897015 + ... + 1897068.

It is an arithmetic number, because the mean of its divisors is an integer number (18970420).

Almost surely, 2^102440241 is an apocalyptic number.

It is an amenable number.

102440241 is a deficient number, since it is larger than the sum of its proper divisors (49323119).

102440241 is an equidigital number, since it uses as much as digits as its factorization.

102440241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794092 (or 3794086 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 102440241 is about 10121.2766487237. The cubic root of 102440241 is about 467.9041141494.

Adding to 102440241 its reverse (142044201), we get a palindrome (244484442).

The spelling of 102440241 in words is "one hundred two million, four hundred forty thousand, two hundred forty-one".