102849971 has 12 divisors (see below), whose sum is σ = 123503040. Its totient is φ = 85312080.

The previous prime is 102849947. The next prime is 102849977. The reversal of 102849971 is 179948201.

It is not a de Polignac number, because 102849971 - 2¹⁰ = 102848947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102849977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32336 + ... + 35373.

It is an arithmetic number, because the mean of its divisors is an integer number (10291920).

Almost surely, 2^102849971 is an apocalyptic number.

102849971 is a deficient number, since it is larger than the sum of its proper divisors (20653069).

102849971 is an equidigital number, since it uses as much as digits as its factorization.

102849971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67754 (or 67747 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 102849971 is about 10141.4974732531. The cubic root of 102849971 is about 468.5271092974.

The spelling of 102849971 in words is "one hundred two million, eight hundred forty-nine thousand, nine hundred seventy-one".