1026243461 has 4 divisors (see below), whose sum is σ = 1050109632. Its totient is φ = 1002377292.

The previous prime is 1026243451. The next prime is 1026243473. The reversal of 1026243461 is 1643426201.

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-1026243461 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 (1026243401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11933021 + ... + 11933106.

It is an arithmetic number, because the mean of its divisors is an integer number (262527408).

Almost surely, 2^1026243461 is an apocalyptic number.

It is an amenable number.

1026243461 is a deficient number, since it is larger than the sum of its proper divisors (23866171).

1026243461 is an equidigital number, since it uses as much as digits as its factorization.

1026243461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23866170.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1026243461 is about 32035.0348993098. The cubic root of 1026243461 is about 1008.6723925232.

Adding to 1026243461 its reverse (1643426201), we get a palindrome (2669669662).

The spelling of 1026243461 in words is "one billion, twenty-six million, two hundred forty-three thousand, four hundred sixty-one".