1012894291 has 2 divisors, whose sum is σ = 1012894292. Its totient is φ = 1012894290.

The previous prime is 1012894271. The next prime is 1012894297. The reversal of 1012894291 is 1924982101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012894291 - 2¹⁵ = 1012861523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012894291.

It is not a weakly prime, because it can be changed into another prime (1012894297) 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 as a sum of consecutive naturals, namely, 506447145 + 506447146.

It is an arithmetic number, because the mean of its divisors is an integer number (506447146).

Almost surely, 2^1012894291 is an apocalyptic number.

1012894291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012894291 is an equidigital number, since it uses as much as digits as its factorization.

1012894291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1012894291 is about 31826.0002356564. Note that the first 3 decimals coincide. The cubic root of 1012894291 is about 1004.2797545711.

The spelling of 1012894291 in words is "one billion, twelve million, eight hundred ninety-four thousand, two hundred ninety-one".