102197712 has 20 divisors (see below), whose sum is σ = 264010880. Its totient is φ = 34065888.

The previous prime is 102197701. The next prime is 102197741. The reversal of 102197712 is 217791201.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 102197712.

It is a congruent number.

It is an unprimeable number.

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, 1064512 + ... + 1064607.

It is an arithmetic number, because the mean of its divisors is an integer number (13200544).

Almost surely, 2^102197712 is an apocalyptic number.

102197712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102197712 is an abundant number, since it is smaller than the sum of its proper divisors (161813168).

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

102197712 is a wasteful number, since it uses less digits than its factorization.

102197712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129130 (or 2129124 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 102197712 is about 10109.2884022566. The cubic root of 102197712 is about 467.5345653949.

The spelling of 102197712 in words is "one hundred two million, one hundred ninety-seven thousand, seven hundred twelve".