1024605121 has 4 divisors (see below), whose sum is σ = 1024679044. Its totient is φ = 1024531200.

The previous prime is 1024605097. The next prime is 1024605137. The reversal of 1024605121 is 1215064201.

1024605121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 755645121 + 268960000 = 27489^2 + 16400^2 .

It is a 3-Lehmer number, since φ(1024605121) divides (1024605121-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1024605121 - 2⁵ = 1024605089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1024605092 and 1024605101.

It is not an unprimeable number, because it can be changed into a prime (1024605721) 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, 9240 + ... + 46201.

It is an arithmetic number, because the mean of its divisors is an integer number (256169761).

It is a Poulet number, since it divides 2^1024605120-1.

Almost surely, 2^1024605121 is an apocalyptic number.

1024605121 is the 18481-st octagonal number.

It is an amenable number.

1024605121 is a deficient number, since it is larger than the sum of its proper divisors (73923).

1024605121 is an equidigital number, since it uses as much as digits as its factorization.

1024605121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73922.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1024605121 is about 32009.4536192044. The cubic root of 1024605121 is about 1008.1353437067.

Adding to 1024605121 its reverse (1215064201), we get a palindrome (2239669322).

The spelling of 1024605121 in words is "one billion, twenty-four million, six hundred five thousand, one hundred twenty-one".