102199071 has 16 divisors (see below), whose sum is σ = 147008736. Its totient is φ = 62779776.

The previous prime is 102199067. The next prime is 102199073. The reversal of 102199071 is 170991201.

It is not a de Polignac number, because 102199071 - 2² = 102199067 is a prime.

It is a super-2 number, since 2×102199071² = 20889300226526082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102199073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23461 + ... + 27473.

It is an arithmetic number, because the mean of its divisors is an integer number (9188046).

Almost surely, 2^102199071 is an apocalyptic number.

102199071 is a deficient number, since it is larger than the sum of its proper divisors (44809665).

102199071 is a wasteful number, since it uses less digits than its factorization.

102199071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 102199071 is about 10109.3556174466. The cubic root of 102199071 is about 467.5366377723.

The spelling of 102199071 in words is "one hundred two million, one hundred ninety-nine thousand, seventy-one".