1057845907 has 2 divisors, whose sum is σ = 1057845908. Its totient is φ = 1057845906.

The previous prime is 1057845889. The next prime is 1057845937. The reversal of 1057845907 is 7095487501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1057845907 - 2¹¹ = 1057843859 is a prime.

It is a super-2 number, since 2×1057845907² = 2238075925913305298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1057845937) 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, 528922953 + 528922954.

It is an arithmetic number, because the mean of its divisors is an integer number (528922954).

Almost surely, 2^1057845907 is an apocalyptic number.

1057845907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057845907 is an equidigital number, since it uses as much as digits as its factorization.

1057845907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 1057845907 is about 32524.5431482135. The cubic root of 1057845907 is about 1018.9216808185.

The spelling of 1057845907 in words is "one billion, fifty-seven million, eight hundred forty-five thousand, nine hundred seven".