121097004809 has 8 divisors (see below), whose sum is σ = 132251485728. Its totient is φ = 109966800960.

The previous prime is 121097004751. The next prime is 121097004839. The reversal of 121097004809 is 908400790121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121097004809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121097004839) 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, 6058832 + ... + 6078785.

It is an arithmetic number, because the mean of its divisors is an integer number (16531435716).

Almost surely, 2^121097004809 is an apocalyptic number.

It is an amenable number.

121097004809 is a deficient number, since it is larger than the sum of its proper divisors (11154480919).

121097004809 is a wasteful number, since it uses less digits than its factorization.

121097004809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138535.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 121097004809 in words is "one hundred twenty-one billion, ninety-seven million, four thousand, eight hundred nine".