171420003 has 8 divisors (see below), whose sum is σ = 253955600. Its totient is φ = 114279984.

The previous prime is 171419999. The next prime is 171420013. The reversal of 171420003 is 300024171.

It is not a de Polignac number, because 171420003 - 2² = 171419999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171420013) 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, 3174418 + ... + 3174471.

It is an arithmetic number, because the mean of its divisors is an integer number (31744450).

Almost surely, 2^171420003 is an apocalyptic number.

171420003 is a deficient number, since it is larger than the sum of its proper divisors (82535597).

171420003 is an equidigital number, since it uses as much as digits as its factorization.

171420003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348898 (or 6348892 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 171420003 is about 13092.7461977998. The cubic root of 171420003 is about 555.5039688204.

Adding to 171420003 its reverse (300024171), we get a palindrome (471444174).

The spelling of 171420003 in words is "one hundred seventy-one million, four hundred twenty thousand, three".