1025867 has 4 divisors (see below), whose sum is σ = 1079880. Its totient is φ = 971856.

The previous prime is 1025839. The next prime is 1025873. The reversal of 1025867 is 7685201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1025867 - 2⁶ = 1025803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26978 + ... + 27015.

It is an arithmetic number, because the mean of its divisors is an integer number (269970).

2^1025867 is an apocalyptic number.

1025867 is a deficient number, since it is larger than the sum of its proper divisors (54013).

1025867 is an equidigital number, since it uses as much as digits as its factorization.

1025867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54012.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1025867 is about 1012.8509268397. The cubic root of 1025867 is about 100.8549038994.

The spelling of 1025867 in words is "one million, twenty-five thousand, eight hundred sixty-seven".