172125077 has 8 divisors (see below), whose sum is σ = 182291136. Its totient is φ = 162182592.

The previous prime is 172125067. The next prime is 172125089. The reversal of 172125077 is 770521271.

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 172125077 - 2¹⁶ = 172059541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172125067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54308 + ... + 57389.

It is an arithmetic number, because the mean of its divisors is an integer number (22786392).

Almost surely, 2^172125077 is an apocalyptic number.

It is an amenable number.

172125077 is a deficient number, since it is larger than the sum of its proper divisors (10166059).

172125077 is a wasteful number, since it uses less digits than its factorization.

172125077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111787.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 172125077 is about 13119.6446979329. The cubic root of 172125077 is about 556.2645483381.

The spelling of 172125077 in words is "one hundred seventy-two million, one hundred twenty-five thousand, seventy-seven".