102061071 has 18 divisors (see below), whose sum is σ = 171491112. Its totient is φ = 58320360.

The previous prime is 102061067. The next prime is 102061087. The reversal of 102061071 is 170160201.

It is not a de Polignac number, because 102061071 - 2² = 102061067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102061171) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 115275 + ... + 116156.

It is an arithmetic number, because the mean of its divisors is an integer number (9527284).

Almost surely, 2^102061071 is an apocalyptic number.

102061071 is a deficient number, since it is larger than the sum of its proper divisors (69430041).

102061071 is a wasteful number, since it uses less digits than its factorization.

102061071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231451 (or 231441 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 102061071 is about 10102.5279509636. The cubic root of 102061071 is about 467.3261038350.

The spelling of 102061071 in words is "one hundred two million, sixty-one thousand, seventy-one".