102128253 has 8 divisors (see below), whose sum is σ = 139492416. Its totient is φ = 66424800.

The previous prime is 102128237. The next prime is 102128261. The reversal of 102128253 is 352821201.

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

It is not a de Polignac number, because 102128253 - 2⁴ = 102128237 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102128153) 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, 415033 + ... + 415278.

It is an arithmetic number, because the mean of its divisors is an integer number (17436552).

Almost surely, 2^102128253 is an apocalyptic number.

It is an amenable number.

102128253 is a deficient number, since it is larger than the sum of its proper divisors (37364163).

102128253 is an equidigital number, since it uses as much as digits as its factorization.

102128253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830355.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 102128253 is about 10105.8524133296. The cubic root of 102128253 is about 467.4286209380.

Adding to 102128253 its reverse (352821201), we get a palindrome (454949454).

The spelling of 102128253 in words is "one hundred two million, one hundred twenty-eight thousand, two hundred fifty-three".