171001140 has 48 divisors (see below), whose sum is σ = 504006720. Its totient is φ = 43200000.

The previous prime is 171001133. The next prime is 171001141. The reversal of 171001140 is 41100171.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171001141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73861 + ... + 76140.

It is an arithmetic number, because the mean of its divisors is an integer number (10500140).

Almost surely, 2^171001140 is an apocalyptic number.

171001140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171001140 is an abundant number, since it is smaller than the sum of its proper divisors (333005580).

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

171001140 is a wasteful number, since it uses less digits than its factorization.

171001140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150032 (or 150030 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 171001140 is about 13076.7404195388. The cubic root of 171001140 is about 555.0511437327.

The spelling of 171001140 in words is "one hundred seventy-one million, one thousand, one hundred forty".