102641231 has 24 divisors (see below), whose sum is σ = 132747984. Its totient is φ = 78449280.

The previous prime is 102641197. The next prime is 102641233. The reversal of 102641231 is 132146201.

It is not a de Polignac number, because 102641231 - 2⁶ = 102641167 is a prime.

It is a super-2 number, since 2×102641231² = 21070444602390722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102641233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26771 + ... + 30363.

It is an arithmetic number, because the mean of its divisors is an integer number (5531166).

Almost surely, 2^102641231 is an apocalyptic number.

102641231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102641231 is a deficient number, since it is larger than the sum of its proper divisors (30106753).

102641231 is a wasteful number, since it uses less digits than its factorization.

102641231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671 (or 3664 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 102641231 is about 10131.2008666298. The cubic root of 102641231 is about 468.2099269447.

Adding to 102641231 its reverse (132146201), we get a palindrome (234787432).

The spelling of 102641231 in words is "one hundred two million, six hundred forty-one thousand, two hundred thirty-one".