1072460321 has 4 divisors (see below), whose sum is σ = 1073022852. Its totient is φ = 1071897792.

The previous prime is 1072460309. The next prime is 1072460359. The reversal of 1072460321 is 1230642701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1230642701 = 257 ⋅4788493.

It can be written as a sum of positive squares in 2 ways, for example, as 843089296 + 229371025 = 29036^2 + 15145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072460321 - 2¹⁴ = 1072443937 is a prime.

It is a super-2 number, since 2×1072460321² = 2300342280238846082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1072460381) 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 3 ways as a sum of consecutive naturals, for example, 278396 + ... + 282221.

It is an arithmetic number, because the mean of its divisors is an integer number (268255713).

Almost surely, 2^1072460321 is an apocalyptic number.

It is an amenable number.

1072460321 is a deficient number, since it is larger than the sum of its proper divisors (562531).

1072460321 is an equidigital number, since it uses as much as digits as its factorization.

1072460321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562530.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1072460321 is about 32748.4399781119. The cubic root of 1072460321 is about 1023.5924589921.

The spelling of 1072460321 in words is "one billion, seventy-two million, four hundred sixty thousand, three hundred twenty-one".