102137180 has 24 divisors (see below), whose sum is σ = 218006880. Its totient is φ = 40184640.

The previous prime is 102137177. The next prime is 102137213. The reversal of 102137180 is 81731201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40640 + ... + 43079.

It is an arithmetic number, because the mean of its divisors is an integer number (9083620).

Almost surely, 2^102137180 is an apocalyptic number.

102137180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102137180 is an abundant number, since it is smaller than the sum of its proper divisors (115869700).

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

102137180 is a wasteful number, since it uses less digits than its factorization.

102137180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83789 (or 83787 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 102137180 is about 10106.2940784444. The cubic root of 102137180 is about 467.4422398065.

Adding to 102137180 its reverse (81731201), we get a palindrome (183868381).

The spelling of 102137180 in words is "one hundred two million, one hundred thirty-seven thousand, one hundred eighty".