1049047321 has 15 divisors (see below), whose sum is σ = 1225669983. Its totient is φ = 897823080.

The previous prime is 1049047313. The next prime is 1049047327. The reversal of 1049047321 is 1237409401.

The square root of 1049047321 is 32389.

It is a perfect power (a square), and thus also a powerful number.

1049047321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 832957321 + 216090000 = 28861^2 + 14700^2 .

It is not a de Polignac number, because 1049047321 - 2³ = 1049047313 is a prime.

It is a super-2 number, since 2×1049047321² = 2201000563394554082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049047327) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1586731 + ... + 1587391.

Almost surely, 2^1049047321 is an apocalyptic number.

1049047321 is the 32389-th square number.

1049047321 is the 16195-th centered octagonal number.

It is an amenable number.

1049047321 is a deficient number, since it is larger than the sum of its proper divisors (176622662).

1049047321 is an frugal number, since it uses more digits than its factorization.

1049047321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The cubic root of 1049047321 is about 1016.0888671441.

It can be divided in two parts, 104904 and 7321, that added together give a square (112225 = 335²).

The spelling of 1049047321 in words is "one billion, forty-nine million, forty-seven thousand, three hundred twenty-one".