1121252442532 has 24 divisors (see below), whose sum is σ = 2000858513472. Its totient is φ = 549686364000.

The previous prime is 1121252442529. The next prime is 1121252442551. The reversal of 1121252442532 is 2352442521211.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13431094 + ... + 13514317.

It is an arithmetic number, because the mean of its divisors is an integer number (83369104728).

Almost surely, 2^{1121252442532} is an apocalyptic number.

It is an amenable number.

1121252442532 is a deficient number, since it is larger than the sum of its proper divisors (879606070940).

1121252442532 is a wasteful number, since it uses less digits than its factorization.

1121252442532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26945619 (or 26945617 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

Adding to 1121252442532 its reverse (2352442521211), we get a palindrome (3473694963743).

The spelling of 1121252442532 in words is "one trillion, one hundred twenty-one billion, two hundred fifty-two million, four hundred forty-two thousand, five hundred thirty-two".