1055867 has 2 divisors, whose sum is σ = 1055868. Its totient is φ = 1055866.

The previous prime is 1055863. The next prime is 1055881. The reversal of 1055867 is 7685501.

It is a weak prime.

It is an emirp because it is prime and its reverse (7685501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055867 - 2² = 1055863 is a prime.

It is a super-2 number, since 2×1055867² = 2229710243378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1055863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527933 + 527934.

It is an arithmetic number, because the mean of its divisors is an integer number (527934).

2^1055867 is an apocalyptic number.

1055867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055867 is an equidigital number, since it uses as much as digits as its factorization.

1055867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1055867 is about 1027.5538915308. The cubic root of 1055867 is about 101.8285920333.

The spelling of 1055867 in words is "one million, fifty-five thousand, eight hundred sixty-seven".