121727133 has 24 divisors (see below), whose sum is σ = 195901056. Its totient is φ = 72201600.

The previous prime is 121727131. The next prime is 121727149. The reversal of 121727133 is 331727121.

It is not a de Polignac number, because 121727133 - 2¹ = 121727131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121727097 and 121727106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121727131) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8428 + ... + 17733.

It is an arithmetic number, because the mean of its divisors is an integer number (8162544).

Almost surely, 2^121727133 is an apocalyptic number.

It is an amenable number.

121727133 is a deficient number, since it is larger than the sum of its proper divisors (74173923).

121727133 is a wasteful number, since it uses less digits than its factorization.

121727133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26225 (or 26222 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 121727133 is about 11033.0019940178. The cubic root of 121727133 is about 495.5975275767.

The spelling of 121727133 in words is "one hundred twenty-one million, seven hundred twenty-seven thousand, one hundred thirty-three".