170120084 has 6 divisors (see below), whose sum is σ = 297710154. Its totient is φ = 85060040.

The previous prime is 170120081. The next prime is 170120087. The reversal of 170120084 is 480021071.

It is an interprime number because it is at equal distance from previous prime (170120081) and next prime (170120087).

It can be written as a sum of positive squares in only one way, i.e., 169572484 + 547600 = 13022^2 + 740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170120081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265007 + ... + 21265014.

It is an arithmetic number, because the mean of its divisors is an integer number (49618359).

Almost surely, 2^170120084 is an apocalyptic number.

It is an amenable number.

170120084 is a deficient number, since it is larger than the sum of its proper divisors (127590070).

170120084 is a wasteful number, since it uses less digits than its factorization.

170120084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42530025 (or 42530023 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 170120084 is about 13043.0090086605. The cubic root of 170120084 is about 554.0962311167.

The spelling of 170120084 in words is "one hundred seventy million, one hundred twenty thousand, eighty-four".