102641898 has 8 divisors (see below), whose sum is σ = 205283808. Its totient is φ = 34213964.

The previous prime is 102641897. The next prime is 102641941. The reversal of 102641898 is 898146201.

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

102641898 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102641897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8553486 + ... + 8553497.

It is an arithmetic number, because the mean of its divisors is an integer number (25660476).

Almost surely, 2^102641898 is an apocalyptic number.

102641898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102641898 is a wasteful number, since it uses less digits than its factorization.

102641898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17106988.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 102641898 is about 10131.2337846878. The cubic root of 102641898 is about 468.2109411419.

It can be divided in two parts, 1026 and 41898, that added together give a palindrome (42924).

The spelling of 102641898 in words is "one hundred two million, six hundred forty-one thousand, eight hundred ninety-eight".