102225129 has 8 divisors (see below), whose sum is σ = 136352832. Its totient is φ = 68123760.

The previous prime is 102225113. The next prime is 102225139. The reversal of 102225129 is 921522201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102225129 - 2⁴ = 102225113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102225099 and 102225108.

It is not an unprimeable number, because it can be changed into a prime (102225139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5812 + ... + 15434.

It is an arithmetic number, because the mean of its divisors is an integer number (17044104).

Almost surely, 2^102225129 is an apocalyptic number.

It is an amenable number.

102225129 is a deficient number, since it is larger than the sum of its proper divisors (34127703).

102225129 is an equidigital number, since it uses as much as digits as its factorization.

102225129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13167.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 102225129 is about 10110.6443414849. The cubic root of 102225129 is about 467.5763707962.

It can be divided in two parts, 10222 and 5129, that added together give a palindrome (15351).

The spelling of 102225129 in words is "one hundred two million, two hundred twenty-five thousand, one hundred twenty-nine".