1125020 has 24 divisors (see below), whose sum is σ = 2544864. Its totient is φ = 415296.

The previous prime is 1125017. The next prime is 1125029. The reversal of 1125020 is 205211.

It is a junction number, because it is equal to n+sod(n) for n = 1124992 and 1125010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125029) 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, 1904 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (106036).

2^1125020 is an apocalyptic number.

1125020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125020 is an abundant number, since it is smaller than the sum of its proper divisors (1419844).

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

1125020 is a wasteful number, since it uses less digits than its factorization.

1125020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349 (or 4347 counting only the distinct ones).

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

The square root of 1125020 is about 1060.6695998283. The cubic root of 1125020 is about 104.0048074701.

The spelling of 1125020 in words is "one million, one hundred twenty-five thousand, twenty".