102720527 has 16 divisors (see below), whose sum is σ = 126981120. Its totient is φ = 80916192.

The previous prime is 102720509. The next prime is 102720557. The reversal of 102720527 is 725027201.

It is not a de Polignac number, because 102720527 - 2⁶ = 102720463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102720496 and 102720505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102720557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19388 + ... + 24110.

It is an arithmetic number, because the mean of its divisors is an integer number (7936320).

Almost surely, 2^102720527 is an apocalyptic number.

102720527 is a deficient number, since it is larger than the sum of its proper divisors (24260593).

102720527 is a wasteful number, since it uses less digits than its factorization.

102720527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 102720527 is about 10135.1135662113. The cubic root of 102720527 is about 468.3304685542.

Adding to 102720527 its reverse (725027201), we get a palindrome (827747728).

The spelling of 102720527 in words is "one hundred two million, seven hundred twenty thousand, five hundred twenty-seven".