1025320 has 16 divisors (see below), whose sum is σ = 2307060. Its totient is φ = 410112.

The previous prime is 1025303. The next prime is 1025327. The reversal of 1025320 is 235201.

1025320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 21316 = 1002^2 + 146^2 .

It is a super-2 number, since 2×1025320² = 2102562204800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025320.

It is not an unprimeable number, because it can be changed into a prime (1025327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12777 + ... + 12856.

2^1025320 is an apocalyptic number.

1025320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025320 is an abundant number, since it is smaller than the sum of its proper divisors (1281740).

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

1025320 is a wasteful number, since it uses less digits than its factorization.

1025320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25644 (or 25640 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1025320 is about 1012.5808609686. The cubic root of 1025320 is about 100.8369751813.

The spelling of 1025320 in words is "one million, twenty-five thousand, three hundred twenty".