1025670 has 32 divisors (see below), whose sum is σ = 2488320. Its totient is φ = 270560.

The previous prime is 1025669. The next prime is 1025693. The reversal of 1025670 is 765201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5275 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2^1025670 is an apocalyptic number.

1025670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025670 is an abundant number, since it is smaller than the sum of its proper divisors (1462650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025670 is a wasteful number, since it uses less digits than its factorization.

1025670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1025670 is about 1012.7536719262. The cubic root of 1025670 is about 100.8484476732.

The spelling of 1025670 in words is "one million, twenty-five thousand, six hundred seventy".