102000406 has 4 divisors (see below), whose sum is σ = 153000612. Its totient is φ = 51000202.

The previous prime is 102000401. The next prime is 102000413. The reversal of 102000406 is 604000201.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500100 + ... + 25500103.

It is an arithmetic number, because the mean of its divisors is an integer number (38250153).

Almost surely, 2^102000406 is an apocalyptic number.

102000406 is a deficient number, since it is larger than the sum of its proper divisors (51000206).

102000406 is an equidigital number, since it uses as much as digits as its factorization.

102000406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51000205.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102000406 is about 10099.5250383372. The cubic root of 102000406 is about 467.2334927581.

Adding to 102000406 its reverse (604000201), we get a palindrome (706000607).

The spelling of 102000406 in words is "one hundred two million, four hundred six", and thus it is an aban number.