1025901 has 6 divisors (see below), whose sum is σ = 1481870. Its totient is φ = 683928.

The previous prime is 1025897. The next prime is 1025909. The reversal of 1025901 is 1095201.

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 15876 = 1005^2 + 126^2 .

It is not a de Polignac number, because 1025901 - 2² = 1025897 is a prime.

It is a Duffinian number.

1025901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025909) 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, 56986 + ... + 57003.

2^1025901 is an apocalyptic number.

It is an amenable number.

1025901 is a deficient number, since it is larger than the sum of its proper divisors (455969).

1025901 is a wasteful number, since it uses less digits than its factorization.

1025901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113995 (or 113992 counting only the distinct ones).

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

The square root of 1025901 is about 1012.8677110067. The cubic root of 1025901 is about 100.8560180883.

The spelling of 1025901 in words is "one million, twenty-five thousand, nine hundred one".