102871539 has 20 divisors (see below), whose sum is σ = 162714024. Its totient is φ = 64545984.

The previous prime is 102871493. The next prime is 102871541. The reversal of 102871539 is 935178201.

It is not a de Polignac number, because 102871539 - 2⁸ = 102871283 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (102871739) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35977 + ... + 38730.

Almost surely, 2^102871539 is an apocalyptic number.

102871539 is a deficient number, since it is larger than the sum of its proper divisors (59842485).

102871539 is an equidigital number, since it uses as much as digits as its factorization.

102871539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74736 (or 74727 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 102871539 is about 10142.5607713240. The cubic root of 102871539 is about 468.5598576016.

The spelling of 102871539 in words is "one hundred two million, eight hundred seventy-one thousand, five hundred thirty-nine".