121766098 has 16 divisors (see below), whose sum is σ = 193544640. Its totient is φ = 57294000.

The previous prime is 121766093. The next prime is 121766101. The reversal of 121766098 is 890667121.

It is a self number, because there is not a number n which added to its sum of digits gives 121766098.

It is not an unprimeable number, because it can be changed into a prime (121766093) 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, 4873 + ... + 16348.

It is an arithmetic number, because the mean of its divisors is an integer number (12096540).

Almost surely, 2^121766098 is an apocalyptic number.

121766098 is a deficient number, since it is larger than the sum of its proper divisors (71778542).

121766098 is a wasteful number, since it uses less digits than its factorization.

121766098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21393.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 121766098 is about 11034.7676912566. The cubic root of 121766098 is about 495.6504023879.

The spelling of 121766098 in words is "one hundred twenty-one million, seven hundred sixty-six thousand, ninety-eight".