2734121 has 4 divisors (see below), whose sum is σ = 2944452. Its totient is φ = 2523792.

The previous prime is 2734117. The next prime is 2734129. The reversal of 2734121 is 1214372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190096 + 2544025 = 436^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 2734121 - 2² = 2734117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2734093 and 2734102.

It is not an unprimeable number, because it can be changed into a prime (2734129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105146 + ... + 105171.

It is an arithmetic number, because the mean of its divisors is an integer number (736113).

2^2734121 is an apocalyptic number.

It is an amenable number.

2734121 is a deficient number, since it is larger than the sum of its proper divisors (210331).

2734121 is a wasteful number, since it uses less digits than its factorization.

2734121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210330.

The product of its digits is 336, while the sum is 20.

The square root of 2734121 is about 1653.5177652508. The cubic root of 2734121 is about 139.8317877672.

Adding to 2734121 its reverse (1214372), we get a palindrome (3948493).

The spelling of 2734121 in words is "two million, seven hundred thirty-four thousand, one hundred twenty-one".