1025120 has 48 divisors (see below), whose sum is σ = 2494800. Its totient is φ = 397824.

The previous prime is 1025119. The next prime is 1025137. The reversal of 1025120 is 215201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6806 + ... + 6954.

It is an arithmetic number, because the mean of its divisors is an integer number (51975).

2^1025120 is an apocalyptic number.

1025120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247400).

1025120 is an abundant number, since it is smaller than the sum of its proper divisors (1469680).

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

1025120 is a wasteful number, since it uses less digits than its factorization.

1025120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1025120 is about 1012.4820986072. The cubic root of 1025120 is about 100.8304182994.

The spelling of 1025120 in words is "one million, twenty-five thousand, one hundred twenty".