1170855171 has 12 divisors (see below), whose sum is σ = 1723146048. Its totient is φ = 765842064.

The previous prime is 1170855157. The next prime is 1170855197. The reversal of 1170855171 is 1715580711.

It is not a de Polignac number, because 1170855171 - 2⁵ = 1170855139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1170855131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1226835 + ... + 1227788.

It is an arithmetic number, because the mean of its divisors is an integer number (143595504).

Almost surely, 2^1170855171 is an apocalyptic number.

1170855171 is a deficient number, since it is larger than the sum of its proper divisors (552290877).

1170855171 is a wasteful number, since it uses less digits than its factorization.

1170855171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454682 (or 2454679 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 36.

The square root of 1170855171 is about 34217.7610459831. The cubic root of 1170855171 is about 1053.9849092340.

The spelling of 1170855171 in words is "one billion, one hundred seventy million, eight hundred fifty-five thousand, one hundred seventy-one".