121768471 has 6 divisors (see below), whose sum is σ = 133844816. Its totient is φ = 110698500.

The previous prime is 121768469. The next prime is 121768513. The reversal of 121768471 is 174867121.

It is not a de Polignac number, because 121768471 - 2¹ = 121768469 is a prime.

It is a super-3 number, since 3×121768471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121768471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121768441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503055 + ... + 503296.

Almost surely, 2^121768471 is an apocalyptic number.

121768471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121768471 is a deficient number, since it is larger than the sum of its proper divisors (12076345).

121768471 is a wasteful number, since it uses less digits than its factorization.

121768471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006373 (or 1006362 counting only the distinct ones).

The product of its digits is 18816, while the sum is 37.

The square root of 121768471 is about 11034.8752145187. The cubic root of 121768471 is about 495.6536221423.

The spelling of 121768471 in words is "one hundred twenty-one million, seven hundred sixty-eight thousand, four hundred seventy-one".