1023725 has 6 divisors (see below), whose sum is σ = 1269450. Its totient is φ = 818960.

The previous prime is 1023721. The next prime is 1023731. The reversal of 1023725 is 5273201.

It can be written as a sum of positive squares in 3 ways, for example, as 51529 + 972196 = 227^2 + 986^2 .

It is not a de Polignac number, because 1023725 - 2² = 1023721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023697 and 1023706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20450 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (211575).

2^1023725 is an apocalyptic number.

It is an amenable number.

1023725 is a deficient number, since it is larger than the sum of its proper divisors (245725).

1023725 is an equidigital number, since it uses as much as digits as its factorization.

1023725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40959 (or 40954 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1023725 is about 1011.7929630117. The cubic root of 1023725 is about 100.7846603117.

Adding to 1023725 its reverse (5273201), we get a palindrome (6296926).

The spelling of 1023725 in words is "one million, twenty-three thousand, seven hundred twenty-five".