102125452 has 36 divisors (see below), whose sum is σ = 211567888. Its totient is φ = 42847200.

The previous prime is 102125431. The next prime is 102125461. The reversal of 102125452 is 254521201.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 11 ways as a sum of consecutive naturals, for example, 1824 + ... + 14407.

Almost surely, 2^102125452 is an apocalyptic number.

It is an amenable number.

102125452 is an abundant number, since it is smaller than the sum of its proper divisors (109442436).

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

102125452 is a wasteful number, since it uses less digits than its factorization.

102125452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16270 (or 16257 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 102125452 is about 10105.7138293146. The cubic root of 102125452 is about 467.4243476199.

Adding to 102125452 its reverse (254521201), we get a palindrome (356646653).

The spelling of 102125452 in words is "one hundred two million, one hundred twenty-five thousand, four hundred fifty-two".