172124353 has 6 divisors (see below), whose sum is σ = 173309654. Its totient is φ = 170947104.

The previous prime is 172124327. The next prime is 172124383. The reversal of 172124353 is 353421271.

It can be written as a sum of positive squares in 3 ways, for example, as 16548624 + 155575729 = 4068^2 + 12473^2 .

It is a de Polignac number, because none of the positive numbers 2^k-172124353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172124383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18325 + ... + 26077.

Almost surely, 2^172124353 is an apocalyptic number.

It is an amenable number.

172124353 is a deficient number, since it is larger than the sum of its proper divisors (1185301).

172124353 is an frugal number, since it uses more digits than its factorization.

172124353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051 (or 7902 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 172124353 is about 13119.6171056933. The cubic root of 172124353 is about 556.2637684089.

The spelling of 172124353 in words is "one hundred seventy-two million, one hundred twenty-four thousand, three hundred fifty-three".