1025159 has 8 divisors (see below), whose sum is σ = 1067040. Its totient is φ = 984096.

The previous prime is 1025153. The next prime is 1025161. The reversal of 1025159 is 9515201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3677 + ... + 3945.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

2^1025159 is an apocalyptic number.

1025159 is a deficient number, since it is larger than the sum of its proper divisors (41881).

1025159 is a wasteful number, since it uses less digits than its factorization.

1025159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1025159 is about 1012.5013580238. The cubic root of 1025159 is about 100.8316969583.

The spelling of 1025159 in words is "one million, twenty-five thousand, one hundred fifty-nine".