102340425 has 48 divisors (see below), whose sum is σ = 195469632. Its totient is φ = 46694400.

The previous prime is 102340421. The next prime is 102340457. The reversal of 102340425 is 524043201.

It is not a de Polignac number, because 102340425 - 2² = 102340421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102340421) 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 47 ways as a sum of consecutive naturals, for example, 10377 + ... + 17673.

It is an arithmetic number, because the mean of its divisors is an integer number (4072284).

Almost surely, 2^102340425 is an apocalyptic number.

102340425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102340425 is a deficient number, since it is larger than the sum of its proper divisors (93129207).

102340425 is a wasteful number, since it uses less digits than its factorization.

102340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7338 (or 7333 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 102340425 is about 10116.3444484656. The cubic root of 102340425 is about 467.7520922027.

Adding to 102340425 its reverse (524043201), we get a palindrome (626383626).

The spelling of 102340425 in words is "one hundred two million, three hundred forty thousand, four hundred twenty-five".