102720271 has 8 divisors (see below), whose sum is σ = 104897664. Its totient is φ = 100563840.

The previous prime is 102720263. The next prime is 102720281. The reversal of 102720271 is 172027201.

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 102720271 - 2³ = 102720263 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 (102720221) 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, 4866 + ... + 15136.

It is an arithmetic number, because the mean of its divisors is an integer number (13112208).

Almost surely, 2^102720271 is an apocalyptic number.

102720271 is a deficient number, since it is larger than the sum of its proper divisors (2177393).

102720271 is a wasteful number, since it uses less digits than its factorization.

102720271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 102720271 is about 10135.1009368432. The cubic root of 102720271 is about 468.3300794963.

Adding to 102720271 its reverse (172027201), we get a palindrome (274747472).

The spelling of 102720271 in words is "one hundred two million, seven hundred twenty thousand, two hundred seventy-one".