102405356 has 24 divisors (see below), whose sum is σ = 182873040. Its totient is φ = 50162112.

The previous prime is 102405353. The next prime is 102405367. The reversal of 102405356 is 653504201.

It is not an unprimeable number, because it can be changed into a prime (102405353) 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, 93146 + ... + 94238.

It is an arithmetic number, because the mean of its divisors is an integer number (7619710).

Almost surely, 2^102405356 is an apocalyptic number.

It is an amenable number.

102405356 is a deficient number, since it is larger than the sum of its proper divisors (80467684).

102405356 is a wasteful number, since it uses less digits than its factorization.

102405356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 102405356 is about 10119.5531521901. The cubic root of 102405356 is about 467.8509947630.

Adding to 102405356 its reverse (653504201), we get a palindrome (755909557).

The spelling of 102405356 in words is "one hundred two million, four hundred five thousand, three hundred fifty-six".