1121123001948 has 24 divisors (see below), whose sum is σ = 2616110232960. Its totient is φ = 373685301360.

The previous prime is 1121123001941. The next prime is 1121123001949. The reversal of 1121123001948 is 8491003211211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121123001941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586258 + ... + 2988473.

It is an arithmetic number, because the mean of its divisors is an integer number (109004593040).

Almost surely, 2^{1121123001948} is an apocalyptic number.

It is an amenable number.

1121123001948 is an abundant number, since it is smaller than the sum of its proper divisors (1494987231012).

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

1121123001948 is a wasteful number, since it uses less digits than its factorization.

1121123001948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591497 (or 5591495 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The spelling of 1121123001948 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, one thousand, nine hundred forty-eight".