1202115122 has 16 divisors (see below), whose sum is σ = 1943753112. Its totient is φ = 554286720.

The previous prime is 1202115107. The next prime is 1202115127. The reversal of 1202115122 is 2215112021.

It can be written as a sum of positive squares in 4 ways, for example, as 777796321 + 424318801 = 27889^2 + 20599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202115122.

It is not an unprimeable number, because it can be changed into a prime (1202115127) 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, 5798 + ... + 49374.

Almost surely, 2^1202115122 is an apocalyptic number.

1202115122 is a deficient number, since it is larger than the sum of its proper divisors (741637990).

1202115122 is a wasteful number, since it uses less digits than its factorization.

1202115122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44653.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1202115122 is about 34671.5318669366. The cubic root of 1202115122 is about 1063.2825506375.

Adding to 1202115122 its reverse (2215112021), we get a palindrome (3417227143).

The spelling of 1202115122 in words is "one billion, two hundred two million, one hundred fifteen thousand, one hundred twenty-two".