1012004365 has 8 divisors (see below), whose sum is σ = 1218076128. Its totient is φ = 807156240.

The previous prime is 1012004327. The next prime is 1012004369. The reversal of 1012004365 is 5634002101.

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

It is not a de Polignac number, because 1012004365 - 2¹³ = 1011996173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012004369) 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, 304087 + ... + 307396.

It is an arithmetic number, because the mean of its divisors is an integer number (152259516).

Almost surely, 2^1012004365 is an apocalyptic number.

It is an amenable number.

1012004365 is a deficient number, since it is larger than the sum of its proper divisors (206071763).

1012004365 is an equidigital number, since it uses as much as digits as its factorization.

1012004365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611819.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1012004365 is about 31812.0160473994. The cubic root of 1012004365 is about 1003.9855492939.

Adding to 1012004365 its reverse (5634002101), we get a palindrome (6646006466).

The spelling of 1012004365 in words is "one billion, twelve million, four thousand, three hundred sixty-five".