121309407098 has 8 divisors (see below), whose sum is σ = 198506302560. Its totient is φ = 55140639580.

The previous prime is 121309407097. The next prime is 121309407119. The reversal of 121309407098 is 890704903121.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121309407091) 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, 2757031958 + ... + 2757032001.

It is an arithmetic number, because the mean of its divisors is an integer number (24813287820).

Almost surely, 2^121309407098 is an apocalyptic number.

121309407098 is a deficient number, since it is larger than the sum of its proper divisors (77196895462).

121309407098 is a wasteful number, since it uses less digits than its factorization.

121309407098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514063972.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 121309407098 in words is "one hundred twenty-one billion, three hundred nine million, four hundred seven thousand, ninety-eight".