102170406 has 16 divisors (see below), whose sum is σ = 220059504. Its totient is φ = 31437024.

The previous prime is 102170371. The next prime is 102170407. The reversal of 102170406 is 604071201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102170407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654861 + ... + 655016.

It is an arithmetic number, because the mean of its divisors is an integer number (13753719).

Almost surely, 2^102170406 is an apocalyptic number.

102170406 is an abundant number, since it is smaller than the sum of its proper divisors (117889098).

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

102170406 is a wasteful number, since it uses less digits than its factorization.

102170406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309895.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 102170406 is about 10107.9377718702. The cubic root of 102170406 is about 467.4929218142.

The spelling of 102170406 in words is "one hundred two million, one hundred seventy thousand, four hundred six".