102481647 has 16 divisors (see below), whose sum is σ = 139550592. Its totient is φ = 66877920.

The previous prime is 102481637. The next prime is 102481651. The reversal of 102481647 is 746184201.

It is a de Polignac number, because none of the positive numbers 2^k-102481647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102481637) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40308 + ... + 42774.

It is an arithmetic number, because the mean of its divisors is an integer number (8721912).

Almost surely, 2^102481647 is an apocalyptic number.

102481647 is a deficient number, since it is larger than the sum of its proper divisors (37068945).

102481647 is a wasteful number, since it uses less digits than its factorization.

102481647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 102481647 is about 10123.3219350172. The cubic root of 102481647 is about 467.9671474126.

The spelling of 102481647 in words is "one hundred two million, four hundred eighty-one thousand, six hundred forty-seven".