102727155 has 8 divisors (see below), whose sum is σ = 164363472. Its totient is φ = 54787808.

The previous prime is 102727123. The next prime is 102727189. The reversal of 102727155 is 551727201.

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

It is a cyclic number.

It is not a de Polignac number, because 102727155 - 2⁵ = 102727123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3424224 + ... + 3424253.

It is an arithmetic number, because the mean of its divisors is an integer number (20545434).

Almost surely, 2^102727155 is an apocalyptic number.

102727155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102727155 is a deficient number, since it is larger than the sum of its proper divisors (61636317).

102727155 is an equidigital number, since it uses as much as digits as its factorization.

102727155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848485.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 102727155 is about 10135.4405429661. The cubic root of 102727155 is about 468.3405412815.

It can be divided in two parts, 1027 and 27155, that added together give a palindrome (28182).

The spelling of 102727155 in words is "one hundred two million, seven hundred twenty-seven thousand, one hundred fifty-five".