1036852721 has 2 divisors, whose sum is σ = 1036852722. Its totient is φ = 1036852720.

The previous prime is 1036852711. The next prime is 1036852741. The reversal of 1036852721 is 1272586301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566440000 + 470412721 = 23800^2 + 21689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1036852721 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1036852711) 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 as a sum of consecutive naturals, namely, 518426360 + 518426361.

It is an arithmetic number, because the mean of its divisors is an integer number (518426361).

Almost surely, 2^1036852721 is an apocalyptic number.

It is an amenable number.

1036852721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036852721 is an equidigital number, since it uses as much as digits as its factorization.

1036852721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1036852721 is about 32200.1975304500. The cubic root of 1036852721 is about 1012.1363534006.

The spelling of 1036852721 in words is "one billion, thirty-six million, eight hundred fifty-two thousand, seven hundred twenty-one".