102125533 has 4 divisors (see below), whose sum is σ = 102716028. Its totient is φ = 101535040.

The previous prime is 102125509. The next prime is 102125539. The reversal of 102125533 is 335521201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335521201 = 6971 ⋅48131.

It can be written as a sum of positive squares in 2 ways, for example, as 68508729 + 33616804 = 8277^2 + 5798^2 .

It is a cyclic number.

It is not a de Polignac number, because 102125533 - 2⁹ = 102125021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102125539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294988 + ... + 295333.

It is an arithmetic number, because the mean of its divisors is an integer number (25679007).

Almost surely, 2^102125533 is an apocalyptic number.

It is an amenable number.

102125533 is a deficient number, since it is larger than the sum of its proper divisors (590495).

102125533 is an equidigital number, since it uses as much as digits as its factorization.

102125533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590494.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 102125533 is about 10105.7178369476. The cubic root of 102125533 is about 467.4244711979.

Adding to 102125533 its reverse (335521201), we get a palindrome (437646734).

The spelling of 102125533 in words is "one hundred two million, one hundred twenty-five thousand, five hundred thirty-three".