102855404 has 12 divisors (see below), whose sum is σ = 183393504. Its totient is φ = 50457264.

The previous prime is 102855397. The next prime is 102855407. The reversal of 102855404 is 404558201.

It is not an unprimeable number, because it can be changed into a prime (102855407) 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 3 ways as a sum of consecutive naturals, for example, 242372 + ... + 242795.

It is an arithmetic number, because the mean of its divisors is an integer number (15282792).

Almost surely, 2^102855404 is an apocalyptic number.

It is an amenable number.

102855404 is a deficient number, since it is larger than the sum of its proper divisors (80538100).

102855404 is a wasteful number, since it uses less digits than its factorization.

102855404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485224 (or 485222 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 102855404 is about 10141.7653295666. The cubic root of 102855404 is about 468.5353590582.

The spelling of 102855404 in words is "one hundred two million, eight hundred fifty-five thousand, four hundred four".