1034032721 has 2 divisors, whose sum is σ = 1034032722. Its totient is φ = 1034032720.

The previous prime is 1034032697. The next prime is 1034032723. The reversal of 1034032721 is 1272304301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012512400 + 21520321 = 31820^2 + 4639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034032721 - 2¹⁰ = 1034031697 is a prime.

Together with 1034032723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1034032723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517016360 + 517016361.

It is an arithmetic number, because the mean of its divisors is an integer number (517016361).

Almost surely, 2^1034032721 is an apocalyptic number.

It is an amenable number.

1034032721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1034032721 is an equidigital number, since it uses as much as digits as its factorization.

1034032721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1034032721 is about 32156.3791649495. The cubic root of 1034032721 is about 1011.2179278659.

The spelling of 1034032721 in words is "one billion, thirty-four million, thirty-two thousand, seven hundred twenty-one".