102540124 has 24 divisors (see below), whose sum is σ = 190466640. Its totient is φ = 48135936.

The previous prime is 102540101. The next prime is 102540127. The reversal of 102540124 is 421045201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102540127) 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 7 ways as a sum of consecutive naturals, for example, 30142 + ... + 33370.

It is an arithmetic number, because the mean of its divisors is an integer number (7936110).

Almost surely, 2^102540124 is an apocalyptic number.

It is an amenable number.

102540124 is a deficient number, since it is larger than the sum of its proper divisors (87926516).

102540124 is a wasteful number, since it uses less digits than its factorization.

102540124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717 (or 3715 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 102540124 is about 10126.2097548885. The cubic root of 102540124 is about 468.0561393195.

Adding to 102540124 its reverse (421045201), we get a palindrome (523585325).

The spelling of 102540124 in words is "one hundred two million, five hundred forty thousand, one hundred twenty-four".