1024131121 has 4 divisors (see below), whose sum is σ = 1102910452. Its totient is φ = 945351792.

The previous prime is 1024131083. The next prime is 1024131127. The reversal of 1024131121 is 1211314201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201072400 + 823058721 = 14180^2 + 28689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024131121 - 2⁷ = 1024130993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1024131095 and 1024131104.

It is not an unprimeable number, because it can be changed into a prime (1024131127) 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, 39389646 + ... + 39389671.

It is an arithmetic number, because the mean of its divisors is an integer number (275727613).

Almost surely, 2^1024131121 is an apocalyptic number.

It is an amenable number.

1024131121 is a deficient number, since it is larger than the sum of its proper divisors (78779331).

1024131121 is an equidigital number, since it uses as much as digits as its factorization.

1024131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78779330.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1024131121 is about 32002.0487000442. The cubic root of 1024131121 is about 1007.9798594621.

Adding to 1024131121 its reverse (1211314201), we get a palindrome (2235445322).

The spelling of 1024131121 in words is "one billion, twenty-four million, one hundred thirty-one thousand, one hundred twenty-one".