1197799122 has 32 divisors (see below), whose sum is σ = 2668841280. Its totient is φ = 355844160.

The previous prime is 1197799117. The next prime is 1197799123. The reversal of 1197799122 is 2219977911.

It is not an unprimeable number, because it can be changed into a prime (1197799123) by changing a digit.

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, 262504 + ... + 267027.

It is an arithmetic number, because the mean of its divisors is an integer number (83401290).

Almost surely, 2^1197799122 is an apocalyptic number.

1197799122 is an abundant number, since it is smaller than the sum of its proper divisors (1471042158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1197799122 is a wasteful number, since it uses less digits than its factorization.

1197799122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529578.

The product of its digits is 142884, while the sum is 48.

The square root of 1197799122 is about 34609.2346347041. The cubic root of 1197799122 is about 1062.0085099740.

The spelling of 1197799122 in words is "one billion, one hundred ninety-seven million, seven hundred ninety-nine thousand, one hundred twenty-two".