1024729 has 2 divisors, whose sum is σ = 1024730. Its totient is φ = 1024728.

The previous prime is 1024721. The next prime is 1024757. The reversal of 1024729 is 9274201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 126025 = 948^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024729 - 2³ = 1024721 is a prime.

1024729 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1024721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512364 + 512365.

It is an arithmetic number, because the mean of its divisors is an integer number (512365).

2^1024729 is an apocalyptic number.

It is an amenable number.

1024729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024729 is an equidigital number, since it uses as much as digits as its factorization.

1024729 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 25.

The square root of 1024729 is about 1012.2889903580. The cubic root of 1024729 is about 100.8175971315.

It can be divided in two parts, 1024 and 729, that multiplied together give a square (746496 = 864²).

The spelling of 1024729 in words is "one million, twenty-four thousand, seven hundred twenty-nine".