1121748437458 has 32 divisors (see below), whose sum is σ = 1898976726720. Its totient is φ = 492279480000.

The previous prime is 1121748437437. The next prime is 1121748437483. The reversal of 1121748437458 is 8547348471211.

It is a junction number, because it is equal to n+sod(n) for n = 1121748437399 and 1121748437408.

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, 22081968 + ... + 22132708.

It is an arithmetic number, because the mean of its divisors is an integer number (59343022710).

Almost surely, 2^{1121748437458} is an apocalyptic number.

1121748437458 is a deficient number, since it is larger than the sum of its proper divisors (777228289262).

1121748437458 is a wasteful number, since it uses less digits than its factorization.

1121748437458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85434.

The product of its digits is 6021120, while the sum is 55.

The spelling of 1121748437458 in words is "one trillion, one hundred twenty-one billion, seven hundred forty-eight million, four hundred thirty-seven thousand, four hundred fifty-eight".