1053262721 has 4 divisors (see below), whose sum is σ = 1203728832. Its totient is φ = 902796612.

The previous prime is 1053262703. The next prime is 1053262729. The reversal of 1053262721 is 1272623501.

It is a happy number.

1053262721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1053262721 - 2¹⁰ = 1053261697 is a prime.

It is a super-2 number, since 2×1053262721² = 2218724718896647682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053262729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75233045 + ... + 75233058.

It is an arithmetic number, because the mean of its divisors is an integer number (300932208).

Almost surely, 2^1053262721 is an apocalyptic number.

It is an amenable number.

1053262721 is a deficient number, since it is larger than the sum of its proper divisors (150466111).

1053262721 is an equidigital number, since it uses as much as digits as its factorization.

1053262721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150466110.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1053262721 is about 32454.0093208836. The cubic root of 1053262721 is about 1017.4480357889.

The spelling of 1053262721 in words is "one billion, fifty-three million, two hundred sixty-two thousand, seven hundred twenty-one".