1025091 has 6 divisors (see below), whose sum is σ = 1480700. Its totient is φ = 683388.

The previous prime is 1025081. The next prime is 1025093. The reversal of 1025091 is 1905201.

1025091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1025091 - 2⁷ = 1024963 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1025093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56941 + ... + 56958.

2^1025091 is an apocalyptic number.

1025091 is a deficient number, since it is larger than the sum of its proper divisors (455609).

1025091 is a wasteful number, since it uses less digits than its factorization.

1025091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113905 (or 113902 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1025091 is about 1012.4677772650. The cubic root of 1025091 is about 100.8294674807.

The spelling of 1025091 in words is "one million, twenty-five thousand, ninety-one".