1000171952 has 40 divisors (see below), whose sum is σ = 2158872240. Its totient is φ = 445697280.

The previous prime is 1000171919. The next prime is 1000171961. The reversal of 1000171952 is 2591710001.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76874 + ... + 88937.

It is an arithmetic number, because the mean of its divisors is an integer number (53971806).

Almost surely, 2^1000171952 is an apocalyptic number.

It is an amenable number.

1000171952 is an abundant number, since it is smaller than the sum of its proper divisors (1158700288).

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

1000171952 is a wasteful number, since it uses less digits than its factorization.

1000171952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165861 (or 165855 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 1000171952 is about 31625.4952846592. The cubic root of 1000171952 is about 1000.0573140484.

Adding to 1000171952 its reverse (2591710001), we get a palindrome (3591881953).

The spelling of 1000171952 in words is "one billion, one hundred seventy-one thousand, nine hundred fifty-two".