102104424 has 24 divisors (see below), whose sum is σ = 276533010. Its totient is φ = 34034784.

The previous prime is 102104411. The next prime is 102104437. The reversal of 102104424 is 424401201.

102104424 is a `hidden beast` number, since 10 + 210 + 442 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (102104411) and next prime (102104437).

It can be written as a sum of positive squares in only one way, i.e., 99800100 + 2304324 = 9990^2 + 1518^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102104397 and 102104406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708987 + ... + 709130.

Almost surely, 2^102104424 is an apocalyptic number.

It is an amenable number.

102104424 is an abundant number, since it is smaller than the sum of its proper divisors (174428586).

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

102104424 is a wasteful number, since it uses less digits than its factorization.

102104424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418129 (or 1418122 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 102104424 is about 10104.6733742363. The cubic root of 102104424 is about 467.3922639631.

Adding to 102104424 its reverse (424401201), we get a palindrome (526505625).

The spelling of 102104424 in words is "one hundred two million, one hundred four thousand, four hundred twenty-four".