1025043 has 4 divisors (see below), whose sum is σ = 1366728. Its totient is φ = 683360.

The previous prime is 1025039. The next prime is 1025047. The reversal of 1025043 is 3405201.

1025043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (1025039) and next prime (1025047).

It is a cyclic number.

It is not a de Polignac number, because 1025043 - 2² = 1025039 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1025047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170838 + ... + 170843.

It is an arithmetic number, because the mean of its divisors is an integer number (341682).

2^1025043 is an apocalyptic number.

1025043 is a deficient number, since it is larger than the sum of its proper divisors (341685).

1025043 is an equidigital number, since it uses as much as digits as its factorization.

1025043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341684.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1025043 is about 1012.4440725294. Note that the first 3 decimals coincide. The cubic root of 1025043 is about 100.8278936725.

The spelling of 1025043 in words is "one million, twenty-five thousand, forty-three".