1024661 has 4 divisors (see below), whose sum is σ = 1117824. Its totient is φ = 931500.

The previous prime is 1024633. The next prime is 1024663. The reversal of 1024661 is 1664201.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1024661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46565 + ... + 46586.

It is an arithmetic number, because the mean of its divisors is an integer number (279456).

2^1024661 is an apocalyptic number.

1024661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1024661 is a deficient number, since it is larger than the sum of its proper divisors (93163).

1024661 is an equidigital number, since it uses as much as digits as its factorization.

1024661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93162.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1024661 is about 1012.2554025541. The cubic root of 1024661 is about 100.8153670302.

Adding to 1024661 its reverse (1664201), we get a palindrome (2688862).

The spelling of 1024661 in words is "one million, twenty-four thousand, six hundred sixty-one".