102402400241 has 4 divisors (see below), whose sum is σ = 103080561984. Its totient is φ = 101724238500.

The previous prime is 102402400237. The next prime is 102402400259. The reversal of 102402400241 is 142004204201.

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 102402400241 - 2² = 102402400237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102402400291) 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, 339080645 + ... + 339080946.

It is an arithmetic number, because the mean of its divisors is an integer number (25770140496).

Almost surely, 2^102402400241 is an apocalyptic number.

It is an amenable number.

102402400241 is a deficient number, since it is larger than the sum of its proper divisors (678161743).

102402400241 is an equidigital number, since it uses as much as digits as its factorization.

102402400241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678161742.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102402400241 its reverse (142004204201), we get a palindrome (244406604442).

The spelling of 102402400241 in words is "one hundred two billion, four hundred two million, four hundred thousand, two hundred forty-one".