1171671170 has 16 divisors (see below), whose sum is σ = 2137899960. Its totient is φ = 462248064.

The previous prime is 1171671113. The next prime is 1171671173. The reversal of 1171671170 is 711761711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 848498641 + 323172529 = 29129^2 + 17977^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1171671173) 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, 801785 + ... + 803244.

Almost surely, 2^1171671170 is an apocalyptic number.

1171671170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1171671170 is a deficient number, since it is larger than the sum of its proper divisors (966228790).

1171671170 is a wasteful number, since it uses less digits than its factorization.

1171671170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605109.

The product of its (nonzero) digits is 2058, while the sum is 32.

The square root of 1171671170 is about 34229.6825869011. The cubic root of 1171671170 is about 1054.2297020810.

The spelling of 1171671170 in words is "one billion, one hundred seventy-one million, six hundred seventy-one thousand, one hundred seventy".