102251271 has 8 divisors (see below), whose sum is σ = 136530160. Its totient is φ = 68069952.

The previous prime is 102251267. The next prime is 102251309. The reversal of 102251271 is 172152201.

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

It is not a de Polignac number, because 102251271 - 2² = 102251267 is a prime.

It is a super-2 number, since 2×102251271² = 20910644842230882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102251221) 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, 21910 + ... + 26163.

It is an arithmetic number, because the mean of its divisors is an integer number (17066270).

Almost surely, 2^102251271 is an apocalyptic number.

102251271 is a deficient number, since it is larger than the sum of its proper divisors (34278889).

102251271 is an equidigital number, since it uses as much as digits as its factorization.

102251271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48785.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 102251271 is about 10111.9370547883. The cubic root of 102251271 is about 467.6162251184.

The spelling of 102251271 in words is "one hundred two million, two hundred fifty-one thousand, two hundred seventy-one".