102641287227 has 4 divisors (see below), whose sum is σ = 136855049640. Its totient is φ = 68427524816.

The previous prime is 102641287187. The next prime is 102641287289. The reversal of 102641287227 is 722782146201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102641287227 - 2⁶ = 102641287163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102641287027) 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, 17106881202 + ... + 17106881207.

It is an arithmetic number, because the mean of its divisors is an integer number (34213762410).

Almost surely, 2^102641287227 is an apocalyptic number.

102641287227 is a deficient number, since it is larger than the sum of its proper divisors (34213762413).

102641287227 is an equidigital number, since it uses as much as digits as its factorization.

102641287227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34213762412.

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 102641287227 in words is "one hundred two billion, six hundred forty-one million, two hundred eighty-seven thousand, two hundred twenty-seven".