102434605 has 96 divisors (see below), whose sum is σ = 173295360. Its totient is φ = 56401920.

The previous prime is 102434593. The next prime is 102434609. The reversal of 102434605 is 506434201.

102434605 = 98² + 99² + ... + 675².

It is not a de Polignac number, because 102434605 - 2¹¹ = 102432557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102434605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102434609) 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 95 ways as a sum of consecutive naturals, for example, 2498385 + ... + 2498425.

It is an arithmetic number, because the mean of its divisors is an integer number (1805160).

Almost surely, 2^102434605 is an apocalyptic number.

It is an amenable number.

102434605 is a deficient number, since it is larger than the sum of its proper divisors (70860755).

102434605 is a wasteful number, since it uses less digits than its factorization.

102434605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 102434605 is about 10120.9982215195. The cubic root of 102434605 is about 467.8955330296.

Adding to 102434605 its reverse (506434201), we get a palindrome (608868806).

The spelling of 102434605 in words is "one hundred two million, four hundred thirty-four thousand, six hundred five".