102061689 has 8 divisors (see below), whose sum is σ = 136667232. Its totient is φ = 67748640.

The previous prime is 102061679. The next prime is 102061699. The reversal of 102061689 is 986160201.

It is an interprime number because it is at equal distance from previous prime (102061679) and next prime (102061699).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102061689 - 2⁵ = 102061657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102061679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72307 + ... + 73704.

It is an arithmetic number, because the mean of its divisors is an integer number (17083404).

Almost surely, 2^102061689 is an apocalyptic number.

It is an amenable number.

102061689 is a deficient number, since it is larger than the sum of its proper divisors (34605543).

102061689 is a wasteful number, since it uses less digits than its factorization.

102061689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146247.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 102061689 is about 10102.5585373211. The cubic root of 102061689 is about 467.3270470838.

The spelling of 102061689 in words is "one hundred two million, sixty-one thousand, six hundred eighty-nine".