102271472 has 20 divisors (see below), whose sum is σ = 199183680. Its totient is φ = 50869248.

The previous prime is 102271451. The next prime is 102271517. The reversal of 102271472 is 274172201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13472 + ... + 19647.

It is an arithmetic number, because the mean of its divisors is an integer number (9959184).

Almost surely, 2^102271472 is an apocalyptic number.

It is an amenable number.

102271472 is a deficient number, since it is larger than the sum of its proper divisors (96912208).

102271472 is a wasteful number, since it uses less digits than its factorization.

102271472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33320 (or 33314 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 102271472 is about 10112.9358744135. The cubic root of 102271472 is about 467.6470175420.

The spelling of 102271472 in words is "one hundred two million, two hundred seventy-one thousand, four hundred seventy-two".