102112727 has 4 divisors (see below), whose sum is σ = 108119376. Its totient is φ = 96106080.

The previous prime is 102112691. The next prime is 102112733. The reversal of 102112727 is 727211201.

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 102112727 - 2⁸ = 102112471 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 (102112627) 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, 3003299 + ... + 3003332.

It is an arithmetic number, because the mean of its divisors is an integer number (27029844).

Almost surely, 2^102112727 is an apocalyptic number.

102112727 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

102112727 is a deficient number, since it is larger than the sum of its proper divisors (6006649).

102112727 is an equidigital number, since it uses as much as digits as its factorization.

102112727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006648.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 102112727 is about 10105.0842153839. The cubic root of 102112727 is about 467.4049328650.

Adding to 102112727 its reverse (727211201), we get a palindrome (829323928).

The spelling of 102112727 in words is "one hundred two million, one hundred twelve thousand, seven hundred twenty-seven".