1125243623452 has 48 divisors (see below), whose sum is σ = 2123698439520. Its totient is φ = 518597597952.

The previous prime is 1125243623447. The next prime is 1125243623461. The reversal of 1125243623452 is 2543263425211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122878858 + ... + 122888014.

It is an arithmetic number, because the mean of its divisors is an integer number (44243717490).

Almost surely, 2^{1125243623452} is an apocalyptic number.

It is an amenable number.

1125243623452 is a deficient number, since it is larger than the sum of its proper divisors (998454816068).

1125243623452 is a wasteful number, since it uses less digits than its factorization.

1125243623452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12310 (or 12308 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The spelling of 1125243623452 in words is "one trillion, one hundred twenty-five billion, two hundred forty-three million, six hundred twenty-three thousand, four hundred fifty-two".