173129101 has 12 divisors (see below), whose sum is σ = 183714804. Its totient is φ = 163049600.

The previous prime is 173129039. The next prime is 173129107. The reversal of 173129101 is 101921371.

It can be written as a sum of positive squares in 6 ways, for example, as 75076 + 173054025 = 274^2 + 13155^2 .

It is not a de Polignac number, because 173129101 - 2⁷ = 173128973 is a prime.

It is a super-2 number, since 2×173129101² = 59947371226136402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173129107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31971 + ... + 36991.

It is an arithmetic number, because the mean of its divisors is an integer number (15309567).

Almost surely, 2^173129101 is an apocalyptic number.

It is an amenable number.

173129101 is a deficient number, since it is larger than the sum of its proper divisors (10585703).

173129101 is an equidigital number, since it uses as much as digits as its factorization.

173129101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120 (or 5091 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 173129101 is about 13157.8532063555. The cubic root of 173129101 is about 557.3440356819.

The spelling of 173129101 in words is "one hundred seventy-three million, one hundred twenty-nine thousand, one hundred one".