971865122 has 8 divisors (see below), whose sum is σ = 1468438956. Its totient is φ = 482385472.

The previous prime is 971865121. The next prime is 971865149. The reversal of 971865122 is 221568179.

It can be written as a sum of positive squares in 2 ways, for example, as 926045761 + 45819361 = 30431^2 + 6769^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 971865122.

It is not an unprimeable number, because it can be changed into a prime (971865121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1773203 + ... + 1773750.

Almost surely, 2^971865122 is an apocalyptic number.

971865122 is a deficient number, since it is larger than the sum of its proper divisors (496573834).

971865122 is a wasteful number, since it uses less digits than its factorization.

971865122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547092.

The product of its digits is 60480, while the sum is 41.

The square root of 971865122 is about 31174.7513542610. The cubic root of 971865122 is about 990.5323538922.

The spelling of 971865122 in words is "nine hundred seventy-one million, eight hundred sixty-five thousand, one hundred twenty-two".