1012648305 has 16 divisors (see below), whose sum is σ = 1627318080. Its totient is φ = 537718848.

The previous prime is 1012648289. The next prime is 1012648309. The reversal of 1012648305 is 5038462101.

It is not a de Polignac number, because 1012648305 - 2⁴ = 1012648289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012648309) 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 15 ways as a sum of consecutive naturals, for example, 143967 + ... + 150836.

It is an arithmetic number, because the mean of its divisors is an integer number (101707380).

Almost surely, 2^1012648305 is an apocalyptic number.

1012648305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012648305 is a deficient number, since it is larger than the sum of its proper divisors (614669775).

1012648305 is a wasteful number, since it uses less digits than its factorization.

1012648305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295040.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1012648305 is about 31822.1354563141. The cubic root of 1012648305 is about 1004.1984500155.

The spelling of 1012648305 in words is "one billion, twelve million, six hundred forty-eight thousand, three hundred five".