102181360 has 20 divisors (see below), whose sum is σ = 237571848. Its totient is φ = 40872512.

The previous prime is 102181351. The next prime is 102181367. The reversal of 102181360 is 63181201.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102181367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638554 + ... + 638713.

Almost surely, 2^102181360 is an apocalyptic number.

102181360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102181360 is an abundant number, since it is smaller than the sum of its proper divisors (135390488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102181360 is a wasteful number, since it uses less digits than its factorization.

102181360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277280 (or 1277274 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 102181360 is about 10108.4796087245. The cubic root of 102181360 is about 467.5096283298.

The spelling of 102181360 in words is "one hundred two million, one hundred eighty-one thousand, three hundred sixty".