870101169 has 16 divisors (see below), whose sum is σ = 1326624768. Its totient is φ = 496917072.

The previous prime is 870101161. The next prime is 870101171. The reversal of 870101169 is 961101078.

It is not a de Polignac number, because 870101169 - 2³ = 870101161 is a prime.

It is a super-2 number, since 2×870101169² = 1514152088590333122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (870101161) 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, 29184 + ... + 50910.

It is an arithmetic number, because the mean of its divisors is an integer number (82914048).

Almost surely, 2^870101169 is an apocalyptic number.

It is an amenable number.

870101169 is a deficient number, since it is larger than the sum of its proper divisors (456523599).

870101169 is a wasteful number, since it uses less digits than its factorization.

870101169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23644.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 870101169 is about 29497.4773328161. The cubic root of 870101169 is about 954.6772733338.

Subtracting 870101169 from its reverse (961101078), we obtain a palindrome (90999909).

The spelling of 870101169 in words is "eight hundred seventy million, one hundred one thousand, one hundred sixty-nine".