102641217 has 16 divisors (see below), whose sum is σ = 161452032. Its totient is φ = 56759760.

The previous prime is 102641197. The next prime is 102641233. The reversal of 102641217 is 712146201.

It is not a de Polignac number, because 102641217 - 2⁷ = 102641089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102641317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78183 + ... + 79484.

It is an arithmetic number, because the mean of its divisors is an integer number (10090752).

Almost surely, 2^102641217 is an apocalyptic number.

It is an amenable number.

102641217 is a deficient number, since it is larger than the sum of its proper divisors (58810815).

102641217 is a wasteful number, since it uses less digits than its factorization.

102641217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157708.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 102641217 is about 10131.2001756949. The cubic root of 102641217 is about 468.2099056572.

Adding to 102641217 its reverse (712146201), we get a palindrome (814787418).

The spelling of 102641217 in words is "one hundred two million, six hundred forty-one thousand, two hundred seventeen".