172260105 has 16 divisors (see below), whose sum is σ = 275788800. Its totient is φ = 91814528.

The previous prime is 172260103. The next prime is 172260139. The reversal of 172260105 is 501062271.

It is a cyclic number.

It is not a de Polignac number, because 172260105 - 2¹ = 172260103 is a prime.

It is a super-2 number, since 2×172260105² = 59347087549222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172260103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33496 + ... + 38294.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2^172260105 is an apocalyptic number.

172260105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172260105 is a deficient number, since it is larger than the sum of its proper divisors (103528695).

172260105 is a wasteful number, since it uses less digits than its factorization.

172260105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 172260105 is about 13124.7897126011. The cubic root of 172260105 is about 556.4099690564.

The spelling of 172260105 in words is "one hundred seventy-two million, two hundred sixty thousand, one hundred five".