1020870170 has 32 divisors (see below), whose sum is σ = 1854268416. Its totient is φ = 404654400.

The previous prime is 1020870167. The next prime is 1020870173. The reversal of 1020870170 is 710780201.

It is an interprime number because it is at equal distance from previous prime (1020870167) and next prime (1020870173).

It is not an unprimeable number, because it can be changed into a prime (1020870173) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 585500 + ... + 587240.

It is an arithmetic number, because the mean of its divisors is an integer number (57945888).

Almost surely, 2^1020870170 is an apocalyptic number.

1020870170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020870170 is a deficient number, since it is larger than the sum of its proper divisors (833398246).

1020870170 is a wasteful number, since it uses less digits than its factorization.

1020870170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1020870170 is about 31951.0589808851. The cubic root of 1020870170 is about 1006.9088807734.

The spelling of 1020870170 in words is "one billion, twenty million, eight hundred seventy thousand, one hundred seventy".