1246994027 has 2 divisors, whose sum is σ = 1246994028. Its totient is φ = 1246994026.

The previous prime is 1246994011. The next prime is 1246994029. The reversal of 1246994027 is 7204996421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1246994027 - 2⁴ = 1246994011 is a prime.

Together with 1246994029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1246994029) 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, 623497013 + 623497014.

It is an arithmetic number, because the mean of its divisors is an integer number (623497014).

Almost surely, 2^1246994027 is an apocalyptic number.

1246994027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246994027 is an equidigital number, since it uses as much as digits as its factorization.

1246994027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1246994027 is about 35312.8025933938. The cubic root of 1246994027 is about 1076.3531622548.

The spelling of 1246994027 in words is "one billion, two hundred forty-six million, nine hundred ninety-four thousand, twenty-seven".