102170026 has 16 divisors (see below), whose sum is σ = 176851584. Its totient is φ = 43361424.

The previous prime is 102169999. The next prime is 102170027. The reversal of 102170026 is 620071201.

It is a junction number, because it is equal to n+sod(n) for n = 102169985 and 102170012.

It is not an unprimeable number, because it can be changed into a prime (102170027) 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, 33985 + ... + 36868.

It is an arithmetic number, because the mean of its divisors is an integer number (11053224).

Almost surely, 2^102170026 is an apocalyptic number.

102170026 is a deficient number, since it is larger than the sum of its proper divisors (74681558).

102170026 is a wasteful number, since it uses less digits than its factorization.

102170026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70965.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 102170026 is about 10107.9189747445. The cubic root of 102170026 is about 467.4923422349.

The spelling of 102170026 in words is "one hundred two million, one hundred seventy thousand, twenty-six".