121449605471 has 8 divisors (see below), whose sum is σ = 121708274688. Its totient is φ = 121191147000.

The previous prime is 121449605419. The next prime is 121449605477. The reversal of 121449605471 is 174506944121.

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

It is a cyclic number.

It is not a de Polignac number, because 121449605471 - 2²² = 121445411167 is a prime.

It is a super-3 number, since 3×121449605471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121449605477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129166 + ... + 1232036.

It is an arithmetic number, because the mean of its divisors is an integer number (15213534336).

Almost surely, 2^121449605471 is an apocalyptic number.

121449605471 is a deficient number, since it is larger than the sum of its proper divisors (258669217).

121449605471 is a wasteful number, since it uses less digits than its factorization.

121449605471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105373.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 121449605471 in words is "one hundred twenty-one billion, four hundred forty-nine million, six hundred five thousand, four hundred seventy-one".