102306252 has 12 divisors (see below), whose sum is σ = 238714616. Its totient is φ = 34102080.

The previous prime is 102306251. The next prime is 102306341. The reversal of 102306252 is 252603201.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (102306251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4262749 + ... + 4262772.

Almost surely, 2^102306252 is an apocalyptic number.

102306252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102306252 is an abundant number, since it is smaller than the sum of its proper divisors (136408364).

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

102306252 is a wasteful number, since it uses less digits than its factorization.

102306252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8525528 (or 8525526 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102306252 is about 10114.6553080172. The cubic root of 102306252 is about 467.7000232647.

Adding to 102306252 its reverse (252603201), we get a palindrome (354909453).

The spelling of 102306252 in words is "one hundred two million, three hundred six thousand, two hundred fifty-two".