102305021241 has 8 divisors (see below), whose sum is σ = 136409309920. Its totient is φ = 68202040032.

The previous prime is 102305021227. The next prime is 102305021321. The reversal of 102305021241 is 142120503201.

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

It is not a de Polignac number, because 102305021241 - 2¹⁵ = 102304988473 is a prime.

It is a super-2 number, since 2×102305021241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102305025241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126796 + ... + 469773.

It is an arithmetic number, because the mean of its divisors is an integer number (17051163740).

Almost surely, 2^102305021241 is an apocalyptic number.

It is an amenable number.

102305021241 is a deficient number, since it is larger than the sum of its proper divisors (34104288679).

102305021241 is an equidigital number, since it uses as much as digits as its factorization.

102305021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653735.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 102305021241 its reverse (142120503201), we get a palindrome (244425524442).

The spelling of 102305021241 in words is "one hundred two billion, three hundred five million, twenty-one thousand, two hundred forty-one".