1016321971 has 8 divisors (see below), whose sum is σ = 1165177440. Its totient is φ = 868383168.

The previous prime is 1016321963. The next prime is 1016321993. The reversal of 1016321971 is 1791236101.

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

It is a cyclic number.

It is not a de Polignac number, because 1016321971 - 2³ = 1016321963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1016321921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226786 + ... + 231223.

It is an arithmetic number, because the mean of its divisors is an integer number (145647180).

Almost surely, 2^1016321971 is an apocalyptic number.

1016321971 is a deficient number, since it is larger than the sum of its proper divisors (148855469).

1016321971 is an equidigital number, since it uses as much as digits as its factorization.

1016321971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458333.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1016321971 is about 31879.8050652760. The cubic root of 1016321971 is about 1005.4113217778.

The spelling of 1016321971 in words is "one billion, sixteen million, three hundred twenty-one thousand, nine hundred seventy-one".