102238871 has 16 divisors (see below), whose sum is σ = 120509760. Its totient is φ = 84913920.

The previous prime is 102238849. The next prime is 102238879. The reversal of 102238871 is 178832201.

It is not a de Polignac number, because 102238871 - 2¹⁴ = 102222487 is a prime.

It is a super-3 number, since 3×102238871³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102238879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43925 + ... + 46193.

It is an arithmetic number, because the mean of its divisors is an integer number (7531860).

Almost surely, 2^102238871 is an apocalyptic number.

102238871 is a deficient number, since it is larger than the sum of its proper divisors (18270889).

102238871 is a wasteful number, since it uses less digits than its factorization.

102238871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 102238871 is about 10111.3238994703. The cubic root of 102238871 is about 467.5973217654.

It can be divided in two parts, 1022 and 38871, that added together give a palindrome (39893).

The spelling of 102238871 in words is "one hundred two million, two hundred thirty-eight thousand, eight hundred seventy-one".