1047278411 has 2 divisors, whose sum is σ = 1047278412. Its totient is φ = 1047278410.

The previous prime is 1047278399. The next prime is 1047278417. The reversal of 1047278411 is 1148727401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047278411 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1047278417) 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, 523639205 + 523639206.

It is an arithmetic number, because the mean of its divisors is an integer number (523639206).

Almost surely, 2^1047278411 is an apocalyptic number.

1047278411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047278411 is an equidigital number, since it uses as much as digits as its factorization.

1047278411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1047278411 is about 32361.6812140531. The cubic root of 1047278411 is about 1015.5174340877.

The spelling of 1047278411 in words is "one billion, forty-seven million, two hundred seventy-eight thousand, four hundred eleven".