121406411 has 16 divisors (see below), whose sum is σ = 142084800. Its totient is φ = 101582208.

The previous prime is 121406399. The next prime is 121406429. The reversal of 121406411 is 114604121.

It is not a de Polignac number, because 121406411 - 2¹⁸ = 121144267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121406431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84245 + ... + 85673.

It is an arithmetic number, because the mean of its divisors is an integer number (8880300).

Almost surely, 2^121406411 is an apocalyptic number.

121406411 is a deficient number, since it is larger than the sum of its proper divisors (20678389).

121406411 is a wasteful number, since it uses less digits than its factorization.

121406411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 121406411 is about 11018.4577414446. The cubic root of 121406411 is about 495.1618842691.

The spelling of 121406411 in words is "one hundred twenty-one million, four hundred six thousand, four hundred eleven".