172489124 has 12 divisors (see below), whose sum is σ = 303288048. Its totient is φ = 85835400.

The previous prime is 172489103. The next prime is 172489133. The reversal of 172489124 is 421984271.

It is a happy 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, 101342 + ... + 103029.

It is an arithmetic number, because the mean of its divisors is an integer number (25274004).

Almost surely, 2^172489124 is an apocalyptic number.

It is an amenable number.

172489124 is a deficient number, since it is larger than the sum of its proper divisors (130798924).

172489124 is a wasteful number, since it uses less digits than its factorization.

172489124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204586 (or 204584 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 172489124 is about 13133.5114877934. The cubic root of 172489124 is about 556.6564413403.

The spelling of 172489124 in words is "one hundred seventy-two million, four hundred eighty-nine thousand, one hundred twenty-four".