102720116 has 12 divisors (see below), whose sum is σ = 187576032. Its totient is φ = 49126968.

The previous prime is 102720089. The next prime is 102720119. The reversal of 102720116 is 611027201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102720119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558170 + ... + 558353.

It is an arithmetic number, because the mean of its divisors is an integer number (15631336).

Almost surely, 2^102720116 is an apocalyptic number.

It is an amenable number.

102720116 is a deficient number, since it is larger than the sum of its proper divisors (84855916).

102720116 is a wasteful number, since it uses less digits than its factorization.

102720116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116550 (or 1116548 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 102720116 is about 10135.0932901479. The cubic root of 102720116 is about 468.3298439335.

Adding to 102720116 its reverse (611027201), we get a palindrome (713747317).

The spelling of 102720116 in words is "one hundred two million, seven hundred twenty thousand, one hundred sixteen".