121220098 has 8 divisors (see below), whose sum is σ = 192526092. Its totient is φ = 57044736.

The previous prime is 121220069. The next prime is 121220101. The reversal of 121220098 is 890022121.

It can be written as a sum of positive squares in 2 ways, for example, as 121154049 + 66049 = 11007^2 + 257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782615 + ... + 1782682.

Almost surely, 2^121220098 is an apocalyptic number.

121220098 is a deficient number, since it is larger than the sum of its proper divisors (71305994).

121220098 is a wasteful number, since it uses less digits than its factorization.

121220098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565316.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 121220098 is about 11009.9999091735. Note that the first 4 decimals coincide. The cubic root of 121220098 is about 494.9084590781.

The spelling of 121220098 in words is "one hundred twenty-one million, two hundred twenty thousand, ninety-eight".