1025266 has 16 divisors (see below), whose sum is σ = 1736640. Its totient is φ = 449680.

The previous prime is 1025261. The next prime is 1025267. The reversal of 1025266 is 6625201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 1441.

It is an arithmetic number, because the mean of its divisors is an integer number (108540).

2^1025266 is an apocalyptic number.

1025266 is a deficient number, since it is larger than the sum of its proper divisors (711374).

1025266 is a wasteful number, since it uses less digits than its factorization.

1025266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1025266 is about 1012.5541960804. The cubic root of 1025266 is about 100.8352049072.

The spelling of 1025266 in words is "one million, twenty-five thousand, two hundred sixty-six".