121794869726 has 24 divisors (see below), whose sum is σ = 189255221064. Its totient is φ = 58783245920.

The previous prime is 121794869711. The next prime is 121794869731. The reversal of 121794869726 is 627968497121.

It is a super-2 number, since 2×121794869726² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11063741 + ... + 11074743.

It is an arithmetic number, because the mean of its divisors is an integer number (7885634211).

Almost surely, 2^121794869726 is an apocalyptic number.

121794869726 is a deficient number, since it is larger than the sum of its proper divisors (67460351338).

121794869726 is a wasteful number, since it uses less digits than its factorization.

121794869726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17644 (or 17615 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 62.

The spelling of 121794869726 in words is "one hundred twenty-one billion, seven hundred ninety-four million, eight hundred sixty-nine thousand, seven hundred twenty-six".