121703727 has 16 divisors (see below), whose sum is σ = 168072192. Its totient is φ = 78284640.

The previous prime is 121703689. The next prime is 121703773. The reversal of 121703727 is 727307121.

It is not a de Polignac number, because 121703727 - 2¹⁵ = 121670959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121703694 and 121703703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121703627) 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 15 ways as a sum of consecutive naturals, for example, 3933 + ... + 16089.

It is an arithmetic number, because the mean of its divisors is an integer number (10504512).

Almost surely, 2^121703727 is an apocalyptic number.

121703727 is a deficient number, since it is larger than the sum of its proper divisors (46368465).

121703727 is a wasteful number, since it uses less digits than its factorization.

121703727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 121703727 is about 11031.9412163046. The cubic root of 121703727 is about 495.5657606265.

The spelling of 121703727 in words is "one hundred twenty-one million, seven hundred three thousand, seven hundred twenty-seven".