171420199 has 8 divisors (see below), whose sum is σ = 174545280. Its totient is φ = 168315000.

The previous prime is 171420169. The next prime is 171420203. The reversal of 171420199 is 991024171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171420199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171420169) 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, 13012 + ... + 22630.

It is an arithmetic number, because the mean of its divisors is an integer number (21818160).

Almost surely, 2^171420199 is an apocalyptic number.

171420199 is a deficient number, since it is larger than the sum of its proper divisors (3125081).

171420199 is an equidigital number, since it uses as much as digits as its factorization.

171420199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 171420199 is about 13092.7536828583. The cubic root of 171420199 is about 555.5041805396.

The spelling of 171420199 in words is "one hundred seventy-one million, four hundred twenty thousand, one hundred ninety-nine".