1121120195 has 16 divisors (see below), whose sum is σ = 1484173152. Its totient is φ = 807709440.

The previous prime is 1121120171. The next prime is 1121120219. The reversal of 1121120195 is 5910211211.

It is an interprime number because it is at equal distance from previous prime (1121120171) and next prime (1121120219).

It is a de Polignac number, because none of the positive numbers 2^k-1121120195 is a prime.

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 1121120195.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207677 + ... + 213006.

It is an arithmetic number, because the mean of its divisors is an integer number (92760822).

Almost surely, 2^1121120195 is an apocalyptic number.

1121120195 is a deficient number, since it is larger than the sum of its proper divisors (363052957).

1121120195 is a wasteful number, since it uses less digits than its factorization.

1121120195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420742.

The product of its (nonzero) digits is 180, while the sum is 23.

The square root of 1121120195 is about 33483.1329925979. The cubic root of 1121120195 is about 1038.8449315489.

The spelling of 1121120195 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred ninety-five".