102271306 has 4 divisors (see below), whose sum is σ = 153406962. Its totient is φ = 51135652.

The previous prime is 102271297. The next prime is 102271331. The reversal of 102271306 is 603172201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 98307225 + 3964081 = 9915^2 + 1991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25567825 + ... + 25567828.

Almost surely, 2^102271306 is an apocalyptic number.

102271306 is a deficient number, since it is larger than the sum of its proper divisors (51135656).

102271306 is an equidigital number, since it uses as much as digits as its factorization.

102271306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51135655.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 102271306 is about 10112.9276671002. The cubic root of 102271306 is about 467.6467645244.

The spelling of 102271306 in words is "one hundred two million, two hundred seventy-one thousand, three hundred six".