121126345346 has 32 divisors (see below), whose sum is σ = 199020674160. Its totient is φ = 55059712000.

The previous prime is 121126345339. The next prime is 121126345369. The reversal of 121126345346 is 643543621121.

It can be written as a sum of positive squares in 8 ways, for example, as 57616801225 + 63509544121 = 240035^2 + 252011^2 .

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, 289361 + ... + 570948.

Almost surely, 2^121126345346 is an apocalyptic number.

121126345346 is a deficient number, since it is larger than the sum of its proper divisors (77894328814).

121126345346 is a wasteful number, since it uses less digits than its factorization.

121126345346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860470.

The product of its digits is 103680, while the sum is 38.

Adding to 121126345346 its reverse (643543621121), we get a palindrome (764669966467).

The spelling of 121126345346 in words is "one hundred twenty-one billion, one hundred twenty-six million, three hundred forty-five thousand, three hundred forty-six".