940172105 has 4 divisors (see below), whose sum is σ = 1128206532. Its totient is φ = 752137680.

The previous prime is 940172033. The next prime is 940172111. The reversal of 940172105 is 501271049.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 504990784 + 435181321 = 22472^2 + 20861^2 .

It is not a de Polignac number, because 940172105 - 2¹⁸ = 939909961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 94017206 + ... + 94017215.

It is an arithmetic number, because the mean of its divisors is an integer number (282051633).

Almost surely, 2^940172105 is an apocalyptic number.

It is an amenable number.

940172105 is a deficient number, since it is larger than the sum of its proper divisors (188034427).

940172105 is a wasteful number, since it uses less digits than its factorization.

940172105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188034426.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 940172105 is about 30662.2260281278. The cubic root of 940172105 is about 979.6458893465.

The spelling of 940172105 in words is "nine hundred forty million, one hundred seventy-two thousand, one hundred five".