101970173 has 2 divisors, whose sum is σ = 101970174. Its totient is φ = 101970172.

The previous prime is 101970163. The next prime is 101970217. The reversal of 101970173 is 371079101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88698724 + 13271449 = 9418^2 + 3643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101970173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101970133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50985086 + 50985087.

It is an arithmetic number, because the mean of its divisors is an integer number (50985087).

Almost surely, 2^101970173 is an apocalyptic number.

It is an amenable number.

101970173 is a deficient number, since it is larger than the sum of its proper divisors (1).

101970173 is an equidigital number, since it uses as much as digits as its factorization.

101970173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 101970173 is about 10098.0281738565. The cubic root of 101970173 is about 467.1873254057.

The spelling of 101970173 in words is "one hundred one million, nine hundred seventy thousand, one hundred seventy-three".