1030641 has 4 divisors (see below), whose sum is σ = 1374192. Its totient is φ = 687092.

The previous prime is 1030639. The next prime is 1030643. The reversal of 1030641 is 1460301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1460301 = 3 ⋅486767.

It is an interprime number because it is at equal distance from previous prime (1030639) and next prime (1030643).

It is a cyclic number.

It is not a de Polignac number, because 1030641 - 2¹ = 1030639 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030641.

It is not an unprimeable number, because it can be changed into a prime (1030643) 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, 171771 + ... + 171776.

It is an arithmetic number, because the mean of its divisors is an integer number (343548).

2^1030641 is an apocalyptic number.

It is an amenable number.

1030641 is a deficient number, since it is larger than the sum of its proper divisors (343551).

1030641 is an equidigital number, since it uses as much as digits as its factorization.

1030641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343550.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1030641 is about 1015.2049054255. The cubic root of 1030641 is about 101.0111088000.

Adding to 1030641 its reverse (1460301), we get a palindrome (2490942).

The spelling of 1030641 in words is "one million, thirty thousand, six hundred forty-one".