102002253 has 8 divisors (see below), whose sum is σ = 136648416. Its totient is φ = 67678800.

The previous prime is 102002249. The next prime is 102002281. The reversal of 102002253 is 352200201.

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

It is not a de Polignac number, because 102002253 - 2² = 102002249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79938 + ... + 81203.

It is an arithmetic number, because the mean of its divisors is an integer number (17081052).

Almost surely, 2^102002253 is an apocalyptic number.

It is an amenable number.

102002253 is a deficient number, since it is larger than the sum of its proper divisors (34646163).

102002253 is a wasteful number, since it uses less digits than its factorization.

102002253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161355.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 102002253 is about 10099.6164778669. The cubic root of 102002253 is about 467.2363129267.

Adding to 102002253 its reverse (352200201), we get a palindrome (454202454).

The spelling of 102002253 in words is "one hundred two million, two thousand, two hundred fifty-three".