102130424 has 64 divisors (see below), whose sum is σ = 222899040. Its totient is φ = 43356160.

The previous prime is 102130403. The next prime is 102130451. The reversal of 102130424 is 424031201.

102130424 = T₁₅₂ + T₁₅₃ + ... + T₈₅₀.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 15 ways as a sum of consecutive naturals, for example, 348422 + ... + 348714.

Almost surely, 2^102130424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102130424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111449520).

102130424 is an abundant number, since it is smaller than the sum of its proper divisors (120768616).

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

102130424 is a wasteful number, since it uses less digits than its factorization.

102130424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102130424 is about 10105.9598257662. The cubic root of 102130424 is about 467.4319330491.

Adding to 102130424 its reverse (424031201), we get a palindrome (526161625).

The spelling of 102130424 in words is "one hundred two million, one hundred thirty thousand, four hundred twenty-four".