172126124 has 6 divisors (see below), whose sum is σ = 301220724. Its totient is φ = 86063060.

The previous prime is 172126121. The next prime is 172126133. The reversal of 172126124 is 421621271.

172126124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172126093 and 172126102.

It is not an unprimeable number, because it can be changed into a prime (172126121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21515762 + ... + 21515769.

It is an arithmetic number, because the mean of its divisors is an integer number (50203454).

Almost surely, 2^172126124 is an apocalyptic number.

It is an amenable number.

172126124 is a deficient number, since it is larger than the sum of its proper divisors (129094600).

172126124 is a wasteful number, since it uses less digits than its factorization.

172126124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43031535 (or 43031533 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 172126124 is about 13119.6845998675. The cubic root of 172126124 is about 556.2656762152.

Adding to 172126124 its reverse (421621271), we get a palindrome (593747395).

The spelling of 172126124 in words is "one hundred seventy-two million, one hundred twenty-six thousand, one hundred twenty-four".