1020032173 has 2 divisors, whose sum is σ = 1020032174. Its totient is φ = 1020032172.

The previous prime is 1020032171. The next prime is 1020032203. The reversal of 1020032173 is 3712300201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828403524 + 191628649 = 28782^2 + 13843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020032173 - 2¹ = 1020032171 is a prime.

Together with 1020032171, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020032173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020032171) 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 as a sum of consecutive naturals, namely, 510016086 + 510016087.

It is an arithmetic number, because the mean of its divisors is an integer number (510016087).

Almost surely, 2^1020032173 is an apocalyptic number.

It is an amenable number.

1020032173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020032173 is an equidigital number, since it uses as much as digits as its factorization.

1020032173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1020032173 is about 31937.9425292238. The cubic root of 1020032173 is about 1006.6332931326.

Adding to 1020032173 its reverse (3712300201), we get a palindrome (4732332374).

The spelling of 1020032173 in words is "one billion, twenty million, thirty-two thousand, one hundred seventy-three".