1121235315442 has 32 divisors (see below), whose sum is σ = 1877613281280. Its totient is φ = 497748063120.

The previous prime is 1121235315413. The next prime is 1121235315461. The reversal of 1121235315442 is 2445135321211.

It is a junction number, because it is equal to n+sod(n) for n = 1121235315398 and 1121235315407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9841359 + ... + 9954637.

It is an arithmetic number, because the mean of its divisors is an integer number (58675415040).

Almost surely, 2^{1121235315442} is an apocalyptic number.

1121235315442 is a deficient number, since it is larger than the sum of its proper divisors (756377965838).

1121235315442 is a wasteful number, since it uses less digits than its factorization.

1121235315442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123798.

The product of its digits is 28800, while the sum is 34.

The spelling of 1121235315442 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-five million, three hundred fifteen thousand, four hundred forty-two".