102340225 has 24 divisors (see below), whose sum is σ = 142615872. Its totient is φ = 72283200.

The previous prime is 102340211. The next prime is 102340237. The reversal of 102340225 is 522043201.

It is not a de Polignac number, because 102340225 - 2⁷ = 102340097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 630 + ... + 14320.

It is an arithmetic number, because the mean of its divisors is an integer number (5942328).

Almost surely, 2^102340225 is an apocalyptic number.

It is an amenable number.

102340225 is a deficient number, since it is larger than the sum of its proper divisors (40275647).

102340225 is a wasteful number, since it uses less digits than its factorization.

102340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13737 (or 13732 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 102340225 is about 10116.3345634671. The cubic root of 102340225 is about 467.7517874991.

Adding to 102340225 its reverse (522043201), we get a palindrome (624383426).

The spelling of 102340225 in words is "one hundred two million, three hundred forty thousand, two hundred twenty-five".