121471401366 has 24 divisors (see below), whose sum is σ = 300786327504. Its totient is φ = 34706114640.

The previous prime is 121471401361. The next prime is 121471401379. The reversal of 121471401366 is 663104174121.

121471401366 is a `hidden beast` number, since 1 + 214 + 7 + 1 + 401 + 36 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 121471401366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121471401361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482029245 + ... + 482029496.

It is an arithmetic number, because the mean of its divisors is an integer number (12532763646).

Almost surely, 2^121471401366 is an apocalyptic number.

121471401366 is an abundant number, since it is smaller than the sum of its proper divisors (179314926138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121471401366 is a wasteful number, since it uses less digits than its factorization.

121471401366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964058756 (or 964058753 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 121471401366 its reverse (663104174121), we get a palindrome (784575575487).

The spelling of 121471401366 in words is "one hundred twenty-one billion, four hundred seventy-one million, four hundred one thousand, three hundred sixty-six".