121818796 has 12 divisors (see below), whose sum is σ = 232563240. Its totient is φ = 55372160.

The previous prime is 121818793. The next prime is 121818811. The reversal of 121818796 is 697818121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121818791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384261 + ... + 1384348.

It is an arithmetic number, because the mean of its divisors is an integer number (19380270).

Almost surely, 2^121818796 is an apocalyptic number.

It is an amenable number.

121818796 is a deficient number, since it is larger than the sum of its proper divisors (110744444).

121818796 is a wasteful number, since it uses less digits than its factorization.

121818796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768624 (or 2768622 counting only the distinct ones).

The product of its digits is 48384, while the sum is 43.

The square root of 121818796 is about 11037.1552494291. The cubic root of 121818796 is about 495.7218946949.

The spelling of 121818796 in words is "one hundred twenty-one million, eight hundred eighteen thousand, seven hundred ninety-six".