102432120 has 128 divisors (see below), whose sum is σ = 353548800. Its totient is φ = 23256576.

The previous prime is 102432073. The next prime is 102432139. The reversal of 102432120 is 21234201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102432120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165171 + ... + 165789.

It is an arithmetic number, because the mean of its divisors is an integer number (2762100).

Almost surely, 2^102432120 is an apocalyptic number.

102432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102432120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176774400).

102432120 is an abundant number, since it is smaller than the sum of its proper divisors (251116680).

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

102432120 is a wasteful number, since it uses less digits than its factorization.

102432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102432120 is about 10120.8754562044. The cubic root of 102432120 is about 467.8917493805.

Adding to 102432120 its reverse (21234201), we get a palindrome (123666321).

The spelling of 102432120 in words is "one hundred two million, four hundred thirty-two thousand, one hundred twenty".