1012070905 has 16 divisors (see below), whose sum is σ = 1236138624. Its totient is φ = 795312000.

The previous prime is 1012070897. The next prime is 1012070921. The reversal of 1012070905 is 5090702101.

It is not a de Polignac number, because 1012070905 - 2³ = 1012070897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012070905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86092 + ... + 97138.

It is an arithmetic number, because the mean of its divisors is an integer number (77258664).

Almost surely, 2^1012070905 is an apocalyptic number.

It is an amenable number.

1012070905 is a deficient number, since it is larger than the sum of its proper divisors (224067719).

1012070905 is a wasteful number, since it uses less digits than its factorization.

1012070905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11376.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1012070905 is about 31813.0618614430. The cubic root of 1012070905 is about 1004.0075530640.

The spelling of 1012070905 in words is "one billion, twelve million, seventy thousand, nine hundred five".