1122031125543 has 32 divisors (see below), whose sum is σ = 1569065630400. Its totient is φ = 712226221056.

The previous prime is 1122031125511. The next prime is 1122031125559. The reversal of 1122031125543 is 3455211302211.

It is a happy number.

It is not a de Polignac number, because 1122031125543 - 2⁵ = 1122031125511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122031125543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122031125143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83248521 + ... + 83261997.

It is an arithmetic number, because the mean of its divisors is an integer number (49033300950).

Almost surely, 2^{1122031125543} is an apocalyptic number.

1122031125543 is a deficient number, since it is larger than the sum of its proper divisors (447034504857).

1122031125543 is a wasteful number, since it uses less digits than its factorization.

1122031125543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26691.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1122031125543 its reverse (3455211302211), we get a palindrome (4577242427754).

The spelling of 1122031125543 in words is "one trillion, one hundred twenty-two billion, thirty-one million, one hundred twenty-five thousand, five hundred forty-three".