102180124 has 12 divisors (see below), whose sum is σ = 181747048. Its totient is φ = 50252400.

The previous prime is 102180121. The next prime is 102180139. The reversal of 102180124 is 421081201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102180121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209142 + ... + 209629.

Almost surely, 2^102180124 is an apocalyptic number.

It is an amenable number.

102180124 is a deficient number, since it is larger than the sum of its proper divisors (79566924).

102180124 is a wasteful number, since it uses less digits than its factorization.

102180124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418836 (or 418834 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 102180124 is about 10108.4184717492. The cubic root of 102180124 is about 467.5077433016.

The spelling of 102180124 in words is "one hundred two million, one hundred eighty thousand, one hundred twenty-four".