1000857211 has 2 divisors, whose sum is σ = 1000857212. Its totient is φ = 1000857210.

The previous prime is 1000857181. The next prime is 1000857239. The reversal of 1000857211 is 1127580001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000857211 - 2¹³ = 1000849019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000857911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500428605 + 500428606.

It is an arithmetic number, because the mean of its divisors is an integer number (500428606).

Almost surely, 2^1000857211 is an apocalyptic number.

1000857211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000857211 is an equidigital number, since it uses as much as digits as its factorization.

1000857211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1000857211 is about 31636.3273943105. The cubic root of 1000857211 is about 1000.2856553932.

The spelling of 1000857211 in words is "one billion, eight hundred fifty-seven thousand, two hundred eleven".