102415424 has 14 divisors (see below), whose sum is σ = 203230734. Its totient is φ = 51207680.

The previous prime is 102415421. The next prime is 102415447. The reversal of 102415424 is 424514201.

It can be written as a sum of positive squares in only one way, i.e., 102414400 + 1024 = 10120^2 + 32^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102415424.

It is not an unprimeable number, because it can be changed into a prime (102415421) 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 as a sum of consecutive naturals, namely, 800057 + ... + 800184.

It is an arithmetic number, because the mean of its divisors is an integer number (14516481).

Almost surely, 2^102415424 is an apocalyptic number.

It is an amenable number.

102415424 is a deficient number, since it is larger than the sum of its proper divisors (100815310).

102415424 is an equidigital number, since it uses as much as digits as its factorization.

102415424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600253 (or 1600243 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 102415424 is about 10120.0505927589. The cubic root of 102415424 is about 467.8663265439.

Adding to 102415424 its reverse (424514201), we get a palindrome (526929625).

The spelling of 102415424 in words is "one hundred two million, four hundred fifteen thousand, four hundred twenty-four".