1012105279 has 2 divisors, whose sum is σ = 1012105280. Its totient is φ = 1012105278.

The previous prime is 1012105277. The next prime is 1012105333. The reversal of 1012105279 is 9725012101.

1012105279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012105279 - 2¹ = 1012105277 is a prime.

Together with 1012105277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012105277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506052639 + 506052640.

It is an arithmetic number, because the mean of its divisors is an integer number (506052640).

Almost surely, 2^1012105279 is an apocalyptic number.

1012105279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012105279 is an equidigital number, since it uses as much as digits as its factorization.

1012105279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1012105279 is about 31813.6021066461. The cubic root of 1012105279 is about 1004.0189196474.

The spelling of 1012105279 in words is "one billion, twelve million, one hundred five thousand, two hundred seventy-nine".