2751121 has 4 divisors (see below), whose sum is σ = 2754544. Its totient is φ = 2747700.

The previous prime is 2751113. The next prime is 2751137. The reversal of 2751121 is 1211572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2751121 - 2³ = 2751113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2751101) 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, 226 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (688636).

2^2751121 is an apocalyptic number.

It is an amenable number.

2751121 is a deficient number, since it is larger than the sum of its proper divisors (3423).

2751121 is a wasteful number, since it uses less digits than its factorization.

2751121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422.

The product of its digits is 140, while the sum is 19.

The square root of 2751121 is about 1658.6503549573. The cubic root of 2751121 is about 140.1210008320.

Adding to 2751121 its reverse (1211572), we get a palindrome (3962693).

The spelling of 2751121 in words is "two million, seven hundred fifty-one thousand, one hundred twenty-one".