1012794505 has 8 divisors (see below), whose sum is σ = 1244996424. Its totient is φ = 790473600.

The previous prime is 1012794491. The next prime is 1012794551. The reversal of 1012794505 is 5054972101.

It can be written as a sum of positive squares in 4 ways, for example, as 345744 + 1012448761 = 588^2 + 31819^2 .

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

It is not a de Polignac number, because 1012794505 - 2²⁹ = 475923593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470026 + ... + 2470435.

It is an arithmetic number, because the mean of its divisors is an integer number (155624553).

Almost surely, 2^1012794505 is an apocalyptic number.

It is an amenable number.

1012794505 is a deficient number, since it is larger than the sum of its proper divisors (232201919).

1012794505 is an equidigital number, since it uses as much as digits as its factorization.

1012794505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940507.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 1012794505 is about 31824.4325165430. The cubic root of 1012794505 is about 1004.2467743771.

The spelling of 1012794505 in words is "one billion, twelve million, seven hundred ninety-four thousand, five hundred five".