273864121 has 8 divisors (see below), whose sum is σ = 281472840. Its totient is φ = 266266368.

The previous prime is 273864113. The next prime is 273864131. The reversal of 273864121 is 121468372.

It can be written as a sum of positive squares in 4 ways, for example, as 25644096 + 248220025 = 5064^2 + 15755^2 .

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 273864121 - 2³ = 273864113 is a prime.

It is a super-2 number, since 2×273864121² = 150003113542205282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273864131) 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, 95115 + ... + 97951.

It is an arithmetic number, because the mean of its divisors is an integer number (35184105).

Almost surely, 2^273864121 is an apocalyptic number.

It is an amenable number.

273864121 is a deficient number, since it is larger than the sum of its proper divisors (7608719).

273864121 is a wasteful number, since it uses less digits than its factorization.

273864121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483.

The product of its digits is 16128, while the sum is 34.

The square root of 273864121 is about 16548.8404729757. The cubic root of 273864121 is about 649.3991457330.

The spelling of 273864121 in words is "two hundred seventy-three million, eight hundred sixty-four thousand, one hundred twenty-one".