121683471 has 32 divisors (see below), whose sum is σ = 202987008. Its totient is φ = 63123840.

The previous prime is 121683451. The next prime is 121683473. The reversal of 121683471 is 174386121.

It is not a de Polignac number, because 121683471 - 2⁵ = 121683439 is a prime.

It is a super-3 number, since 3×121683471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121683473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13000 + ... + 20306.

It is an arithmetic number, because the mean of its divisors is an integer number (6343344).

Almost surely, 2^121683471 is an apocalyptic number.

121683471 is a deficient number, since it is larger than the sum of its proper divisors (81303537).

121683471 is a wasteful number, since it uses less digits than its factorization.

121683471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391.

The product of its digits is 8064, while the sum is 33.

The square root of 121683471 is about 11031.0231166470. The cubic root of 121683471 is about 495.5382656126.

The spelling of 121683471 in words is "one hundred twenty-one million, six hundred eighty-three thousand, four hundred seventy-one".