1030464721 has 16 divisors (see below), whose sum is σ = 1222619328. Its totient is φ = 856152000.

The previous prime is 1030464719. The next prime is 1030464731. The reversal of 1030464721 is 1274640301.

It is not a de Polignac number, because 1030464721 - 2¹ = 1030464719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030464721.

It is not an unprimeable number, because it can be changed into a prime (1030464731) 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 in 15 ways as a sum of consecutive naturals, for example, 21231 + ... + 50116.

It is an arithmetic number, because the mean of its divisors is an integer number (76413708).

Almost surely, 2^1030464721 is an apocalyptic number.

1030464721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1030464721 is a deficient number, since it is larger than the sum of its proper divisors (192154607).

1030464721 is a wasteful number, since it uses less digits than its factorization.

1030464721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71472.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1030464721 is about 32100.8523407090. The cubic root of 1030464721 is about 1010.0534955163.

The spelling of 1030464721 in words is "one billion, thirty million, four hundred sixty-four thousand, seven hundred twenty-one".