1011004321 has 8 divisors (see below), whose sum is σ = 1022135400. Its totient is φ = 999907200.

The previous prime is 1011004303. The next prime is 1011004369. The reversal of 1011004321 is 1234001101.

It can be written as a sum of positive squares in 4 ways, for example, as 230584225 + 780420096 = 15185^2 + 27936^2 .

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 1011004321 - 2⁹ = 1011003809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011004121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53871 + ... + 70171.

It is an arithmetic number, because the mean of its divisors is an integer number (127766925).

Almost surely, 2^1011004321 is an apocalyptic number.

It is an amenable number.

1011004321 is a deficient number, since it is larger than the sum of its proper divisors (11131079).

1011004321 is a wasteful number, since it uses less digits than its factorization.

1011004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16979.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1011004321 is about 31796.2941394119. The cubic root of 1011004321 is about 1003.6547336498.

Adding to 1011004321 its reverse (1234001101), we get a palindrome (2245005422).

The spelling of 1011004321 in words is "one billion, eleven million, four thousand, three hundred twenty-one".