121114405 has 8 divisors (see below), whose sum is σ = 145401984. Its totient is φ = 96848400.

The previous prime is 121114391. The next prime is 121114421. The reversal of 121114405 is 504411121.

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

It is not a de Polignac number, because 121114405 - 2¹⁹ = 120590117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12160 + ... + 19750.

It is an arithmetic number, because the mean of its divisors is an integer number (18175248).

Almost surely, 2^121114405 is an apocalyptic number.

It is an amenable number.

121114405 is a deficient number, since it is larger than the sum of its proper divisors (24287579).

121114405 is an equidigital number, since it uses as much as digits as its factorization.

121114405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 121114405 is about 11005.1989986551. The cubic root of 121114405 is about 494.7645787296.

Adding to 121114405 its reverse (504411121), we get a palindrome (625525526).

The spelling of 121114405 in words is "one hundred twenty-one million, one hundred fourteen thousand, four hundred five".