172122093 has 48 divisors (see below), whose sum is σ = 309306816. Its totient is φ = 90616320.

The previous prime is 172122091. The next prime is 172122103. The reversal of 172122093 is 390221271.

It is not a de Polignac number, because 172122093 - 2¹ = 172122091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172122091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17946 + ... + 25812.

It is an arithmetic number, because the mean of its divisors is an integer number (6443892).

Almost surely, 2^172122093 is an apocalyptic number.

172122093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

172122093 is a deficient number, since it is larger than the sum of its proper divisors (137184723).

172122093 is a wasteful number, since it uses less digits than its factorization.

172122093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914 (or 7911 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 172122093 is about 13119.5309748481. The cubic root of 172122093 is about 556.2613338094.

It can be divided in two parts, 172 and 122093, that added together give a triangular number (122265 = T₄₉₄).

The spelling of 172122093 in words is "one hundred seventy-two million, one hundred twenty-two thousand, ninety-three".