971121706 has 8 divisors (see below), whose sum is σ = 1459140804. Its totient is φ = 484741440.

The previous prime is 971121689. The next prime is 971121707. The reversal of 971121706 is 607121179.

It can be written as a sum of positive squares in 2 ways, for example, as 925680625 + 45441081 = 30425^2 + 6741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (971121707) 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 3 ways as a sum of consecutive naturals, for example, 408225 + ... + 410596.

Almost surely, 2^971121706 is an apocalyptic number.

971121706 is a deficient number, since it is larger than the sum of its proper divisors (488019098).

971121706 is a wasteful number, since it uses less digits than its factorization.

971121706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819416.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 971121706 is about 31162.8257062802. The cubic root of 971121706 is about 990.2797243779.

The spelling of 971121706 in words is "nine hundred seventy-one million, one hundred twenty-one thousand, seven hundred six".