1030725 has 30 divisors (see below), whose sum is σ = 1913010. Its totient is φ = 548640.

The previous prime is 1030723. The next prime is 1030739. The reversal of 1030725 is 5270301.

It can be written as a sum of positive squares in 3 ways, for example, as 171396 + 859329 = 414^2 + 927^2 .

It is not a de Polignac number, because 1030725 - 2¹ = 1030723 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1030698 and 1030707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030723) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1771 + ... + 2279.

It is an arithmetic number, because the mean of its divisors is an integer number (63767).

2^1030725 is an apocalyptic number.

1030725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1030725 is a deficient number, since it is larger than the sum of its proper divisors (882285).

1030725 is an equidigital number, since it uses as much as digits as its factorization.

1030725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1030725 is about 1015.2462755411. The cubic root of 1030725 is about 101.0138529507.

The spelling of 1030725 in words is "one million, thirty thousand, seven hundred twenty-five".