1121824279478 has 8 divisors (see below), whose sum is σ = 1923127336272. Its totient is φ = 480781834056.

The previous prime is 1121824279427. The next prime is 1121824279493. The reversal of 1121824279478 is 8749724281211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40065152825 + ... + 40065152852.

It is an arithmetic number, because the mean of its divisors is an integer number (240390917034).

Almost surely, 2^{1121824279478} is an apocalyptic number.

1121824279478 is a deficient number, since it is larger than the sum of its proper divisors (801303056794).

1121824279478 is an equidigital number, since it uses as much as digits as its factorization.

1121824279478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80130305686.

The product of its digits is 3612672, while the sum is 56.

The spelling of 1121824279478 in words is "one trillion, one hundred twenty-one billion, eight hundred twenty-four million, two hundred seventy-nine thousand, four hundred seventy-eight".