1120021987195 has 8 divisors (see below), whose sum is σ = 1347877465200. Its totient is φ = 893450202720.

The previous prime is 1120021987127. The next prime is 1120021987207. The reversal of 1120021987195 is 5917891200211.

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

It is not a de Polignac number, because 1120021987195 - 2¹⁷ = 1120021856123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320921461 + ... + 320924950.

It is an arithmetic number, because the mean of its divisors is an integer number (168484683150).

Almost surely, 2^{1120021987195} is an apocalyptic number.

1120021987195 is a deficient number, since it is larger than the sum of its proper divisors (227855478005).

1120021987195 is an equidigital number, since it uses as much as digits as its factorization.

1120021987195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641846765.

The product of its (nonzero) digits is 90720, while the sum is 46.

The spelling of 1120021987195 in words is "one trillion, one hundred twenty billion, twenty-one million, nine hundred eighty-seven thousand, one hundred ninety-five".