1016314721 has 2 divisors, whose sum is σ = 1016314722. Its totient is φ = 1016314720.

The previous prime is 1016314681. The next prime is 1016314727. The reversal of 1016314721 is 1274136101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997296400 + 19018321 = 31580^2 + 4361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016314721 is a prime.

It is a super-2 number, since 2×1016314721² = 2065791224242615682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1016314727) 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 as a sum of consecutive naturals, namely, 508157360 + 508157361.

It is an arithmetic number, because the mean of its divisors is an integer number (508157361).

Almost surely, 2^1016314721 is an apocalyptic number.

It is an amenable number.

1016314721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016314721 is an equidigital number, since it uses as much as digits as its factorization.

1016314721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1016314721 is about 31879.6913567243. The cubic root of 1016314721 is about 1005.4089310494.

The spelling of 1016314721 in words is "one billion, sixteen million, three hundred fourteen thousand, seven hundred twenty-one".