172700126 has 8 divisors (see below), whose sum is σ = 265074744. Its totient is φ = 84341880.

The previous prime is 172700117. The next prime is 172700141. The reversal of 172700126 is 621007271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 172700095 and 172700104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003985 + ... + 1004156.

It is an arithmetic number, because the mean of its divisors is an integer number (33134343).

Almost surely, 2^172700126 is an apocalyptic number.

172700126 is a deficient number, since it is larger than the sum of its proper divisors (92374618).

172700126 is a wasteful number, since it uses less digits than its factorization.

172700126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008186.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 172700126 is about 13141.5419947585. The cubic root of 172700126 is about 556.8833305467.

Adding to 172700126 its reverse (621007271), we get a palindrome (793707397).

It can be divided in two parts, 1727001 and 26, that multiplied together give a triangular number (44902026 = T₉₄₇₆).

The spelling of 172700126 in words is "one hundred seventy-two million, seven hundred thousand, one hundred twenty-six".