1052131204240 has 20 divisors (see below), whose sum is σ = 2446205050044. Its totient is φ = 420852481664.

The previous prime is 1052131204219. The next prime is 1052131204253. The reversal of 1052131204240 is 424021312501.

It can be written as a sum of positive squares in 2 ways, for example, as 346369915024 + 705761289216 = 588532^2 + 840096^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1052131204240² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6575819947 + ... + 6575820106.

Almost surely, 2^{1052131204240} is an apocalyptic number.

1052131204240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052131204240 is an abundant number, since it is smaller than the sum of its proper divisors (1394073845804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052131204240 is a wasteful number, since it uses less digits than its factorization.

1052131204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151640066 (or 13151640060 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1052131204240 its reverse (424021312501), we get a palindrome (1476152516741).

The spelling of 1052131204240 in words is "one trillion, fifty-two billion, one hundred thirty-one million, two hundred four thousand, two hundred forty".