171245130 has 32 divisors (see below), whose sum is σ = 469701504. Its totient is φ = 39141696.

The previous prime is 171245101. The next prime is 171245141. The reversal of 171245130 is 31542171.

It is a self number, because there is not a number n which added to its sum of digits gives 171245130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407517 + ... + 407936.

It is an arithmetic number, because the mean of its divisors is an integer number (14678172).

Almost surely, 2^171245130 is an apocalyptic number.

171245130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171245130 is an abundant number, since it is smaller than the sum of its proper divisors (298456374).

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

171245130 is a wasteful number, since it uses less digits than its factorization.

171245130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815470.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 171245130 is about 13086.0662538442. The cubic root of 171245130 is about 555.3150066306.

The spelling of 171245130 in words is "one hundred seventy-one million, two hundred forty-five thousand, one hundred thirty".