273380121 has 12 divisors (see below), whose sum is σ = 451294272. Its totient is φ = 156217176.

The previous prime is 273380083. The next prime is 273380137. The reversal of 273380121 is 121083372.

273380121 is a `hidden beast` number, since 273 + 380 + 12 + 1 = 666.

It is not a de Polignac number, because 273380121 - 2⁷ = 273379993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (273380021) 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 11 ways as a sum of consecutive naturals, for example, 2169621 + ... + 2169746.

It is an arithmetic number, because the mean of its divisors is an integer number (37607856).

Almost surely, 2^273380121 is an apocalyptic number.

273380121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

273380121 is a deficient number, since it is larger than the sum of its proper divisors (177914151).

273380121 is a wasteful number, since it uses less digits than its factorization.

273380121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339380 (or 4339377 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 273380121 is about 16534.2106252461. The cubic root of 273380121 is about 649.0163591563.

The spelling of 273380121 in words is "two hundred seventy-three million, three hundred eighty thousand, one hundred twenty-one".