1053822721 has 8 divisors (see below), whose sum is σ = 1204577984. Its totient is φ = 903119760.

The previous prime is 1053822719. The next prime is 1053822727. The reversal of 1053822721 is 1272283501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1053822721 - 2¹ = 1053822719 is a prime.

It is a super-2 number, since 2×1053822721² = 2221084654591687682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053822727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51151 + ... + 68731.

It is an arithmetic number, because the mean of its divisors is an integer number (150572248).

Almost surely, 2^1053822721 is an apocalyptic number.

It is an amenable number.

1053822721 is a deficient number, since it is larger than the sum of its proper divisors (150755263).

1053822721 is an equidigital number, since it uses as much as digits as its factorization.

1053822721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26151.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1053822721 is about 32462.6357679102. The cubic root of 1053822721 is about 1017.6283231758.

The spelling of 1053822721 in words is "one billion, fifty-three million, eight hundred twenty-two thousand, seven hundred twenty-one".