1067172171 has 16 divisors (see below), whose sum is σ = 1536915744. Its totient is φ = 654764544.

The previous prime is 1067172143. The next prime is 1067172187. The reversal of 1067172171 is 1712717601.

It is not a de Polignac number, because 1067172171 - 2⁹ = 1067171659 is a prime.

It is a super-2 number, since 2×1067172171² = 2277712885113706482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1067172191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27456 + ... + 53741.

It is an arithmetic number, because the mean of its divisors is an integer number (96057234).

Almost surely, 2^1067172171 is an apocalyptic number.

1067172171 is a deficient number, since it is larger than the sum of its proper divisors (469743573).

1067172171 is a wasteful number, since it uses less digits than its factorization.

1067172171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81550.

The product of its (nonzero) digits is 4116, while the sum is 33.

The square root of 1067172171 is about 32667.6012434338. The cubic root of 1067172171 is about 1021.9072896754.

Adding to 1067172171 its reverse (1712717601), we get a palindrome (2779889772).

The spelling of 1067172171 in words is "one billion, sixty-seven million, one hundred seventy-two thousand, one hundred seventy-one".