971201575 has 12 divisors (see below), whose sum is σ = 1210601088. Its totient is φ = 772889600.

The previous prime is 971201531. The next prime is 971201591. The reversal of 971201575 is 575102179.

It is not a de Polignac number, because 971201575 - 2¹⁹ = 970677287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96922 + ... + 106471.

It is an arithmetic number, because the mean of its divisors is an integer number (100883424).

Almost surely, 2^971201575 is an apocalyptic number.

971201575 is a deficient number, since it is larger than the sum of its proper divisors (239399513).

971201575 is a wasteful number, since it uses less digits than its factorization.

971201575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203594 (or 203589 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 971201575 is about 31164.1071587171. The cubic root of 971201575 is about 990.3068718448.

The spelling of 971201575 in words is "nine hundred seventy-one million, two hundred one thousand, five hundred seventy-five".