172107061 has 6 divisors (see below), whose sum is σ = 200206230. Its totient is φ = 147520296.

The previous prime is 172107041. The next prime is 172107079. The reversal of 172107061 is 160701271.

It can be written as a sum of positive squares in only one way, i.e., 143280900 + 28826161 = 11970^2 + 5369^2 .

It is not a de Polignac number, because 172107061 - 2⁵ = 172107029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172107041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1756146 + ... + 1756243.

It is an arithmetic number, because the mean of its divisors is an integer number (33367705).

Almost surely, 2^172107061 is an apocalyptic number.

It is an amenable number.

172107061 is a deficient number, since it is larger than the sum of its proper divisors (28099169).

172107061 is an equidigital number, since it uses as much as digits as its factorization.

172107061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512403 (or 3512396 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 172107061 is about 13118.9580760059. The cubic root of 172107061 is about 556.2451399483.

The spelling of 172107061 in words is "one hundred seventy-two million, one hundred seven thousand, sixty-one".