1120921375679 has 8 divisors (see below), whose sum is σ = 1281070177440. Its totient is φ = 960776868096.

The previous prime is 1120921375669. The next prime is 1120921375727. The reversal of 1120921375679 is 9765731290211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120921375679 is a prime.

It is a super-2 number, since 2×1120921375679² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120921375679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120921375669) 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, 493274 + ... + 1576439.

It is an arithmetic number, because the mean of its divisors is an integer number (160133772180).

Almost surely, 2^{1120921375679} is an apocalyptic number.

1120921375679 is a deficient number, since it is larger than the sum of its proper divisors (160148801761).

1120921375679 is an equidigital number, since it uses as much as digits as its factorization.

1120921375679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147089.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 1120921375679 in words is "one trillion, one hundred twenty billion, nine hundred twenty-one million, three hundred seventy-five thousand, six hundred seventy-nine".