273487121 has 8 divisors (see below), whose sum is σ = 291117600. Its totient is φ = 256180320.

The previous prime is 273487117. The next prime is 273487129. The reversal of 273487121 is 121784372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 273487121 - 2² = 273487117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273487129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79175 + ... + 82556.

It is an arithmetic number, because the mean of its divisors is an integer number (36389700).

Almost surely, 2^273487121 is an apocalyptic number.

It is an amenable number.

273487121 is a deficient number, since it is larger than the sum of its proper divisors (17630479).

273487121 is a wasteful number, since it uses less digits than its factorization.

273487121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161839.

The product of its digits is 18816, while the sum is 35.

The square root of 273487121 is about 16537.4460240994. The cubic root of 273487121 is about 649.1010223376.

The spelling of 273487121 in words is "two hundred seventy-three million, four hundred eighty-seven thousand, one hundred twenty-one".