172122753 has 8 divisors (see below), whose sum is σ = 250360416. Its totient is φ = 104316800.

The previous prime is 172122749. The next prime is 172122787. The reversal of 172122753 is 357221271.

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

It is a cyclic number.

It is not a de Polignac number, because 172122753 - 2² = 172122749 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 172122753.

It is not an unprimeable number, because it can be changed into a prime (172122733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607888 + ... + 2607953.

It is an arithmetic number, because the mean of its divisors is an integer number (31295052).

Almost surely, 2^172122753 is an apocalyptic number.

It is an amenable number.

172122753 is a deficient number, since it is larger than the sum of its proper divisors (78237663).

172122753 is a wasteful number, since it uses less digits than its factorization.

172122753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215855.

The product of its digits is 5880, while the sum is 30.

The square root of 172122753 is about 13119.5561281623. The cubic root of 172122753 is about 556.2620448008.

The spelling of 172122753 in words is "one hundred seventy-two million, one hundred twenty-two thousand, seven hundred fifty-three".