102104436 has 36 divisors (see below), whose sum is σ = 277142208. Its totient is φ = 29172528.

The previous prime is 102104411. The next prime is 102104437. The reversal of 102104436 is 634401201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102104437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86236 + ... + 87411.

Almost surely, 2^102104436 is an apocalyptic number.

It is an amenable number.

102104436 is an abundant number, since it is smaller than the sum of its proper divisors (175037772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102104436 is a wasteful number, since it uses less digits than its factorization.

102104436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173668 (or 173659 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 102104436 is about 10104.6739680209. The cubic root of 102104436 is about 467.3922822735.

Adding to 102104436 its reverse (634401201), we get a palindrome (736505637).

The spelling of 102104436 in words is "one hundred two million, one hundred four thousand, four hundred thirty-six".