102611071 has 4 divisors (see below), whose sum is σ = 102668944. Its totient is φ = 102553200.

The previous prime is 102611053. The next prime is 102611081. The reversal of 102611071 is 170116201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102611071 - 2⁹ = 102610559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102611081) 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 3 ways as a sum of consecutive naturals, for example, 26190 + ... + 29851.

It is an arithmetic number, because the mean of its divisors is an integer number (25667236).

Almost surely, 2^102611071 is an apocalyptic number.

102611071 is a deficient number, since it is larger than the sum of its proper divisors (57873).

102611071 is an equidigital number, since it uses as much as digits as its factorization.

102611071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57872.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 102611071 is about 10129.7122861412. The cubic root of 102611071 is about 468.1640630016.

Adding to 102611071 its reverse (170116201), we get a palindrome (272727272).

The spelling of 102611071 in words is "one hundred two million, six hundred eleven thousand, seventy-one".