1025055 has 20 divisors (see below), whose sum is σ = 1838232. Its totient is φ = 546480.

The previous prime is 1025047. The next prime is 1025081. The reversal of 1025055 is 5505201.

It is not a de Polignac number, because 1025055 - 2³ = 1025047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 861 + ... + 1670.

2^1025055 is an apocalyptic number.

1025055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025055 is a deficient number, since it is larger than the sum of its proper divisors (813177).

1025055 is an equidigital number, since it uses as much as digits as its factorization.

1025055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2539 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 1025055 is about 1012.4499987654. The cubic root of 1025055 is about 100.8282871292.

The spelling of 1025055 in words is "one million, twenty-five thousand, fifty-five".