272768121 has 16 divisors (see below), whose sum is σ = 413958720. Its totient is φ = 177409440.

The previous prime is 272768099. The next prime is 272768131. The reversal of 272768121 is 121867272.

It is not a de Polignac number, because 272768121 - 2⁷ = 272767993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272768131) 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 15 ways as a sum of consecutive naturals, for example, 122095 + ... + 124308.

It is an arithmetic number, because the mean of its divisors is an integer number (25872420).

Almost surely, 2^272768121 is an apocalyptic number.

It is an amenable number.

272768121 is a deficient number, since it is larger than the sum of its proper divisors (141190599).

272768121 is a wasteful number, since it uses less digits than its factorization.

272768121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246453 (or 246447 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 272768121 is about 16515.6931734638. The cubic root of 272768121 is about 648.5316923925.

The spelling of 272768121 in words is "two hundred seventy-two million, seven hundred sixty-eight thousand, one hundred twenty-one".