2761121 has 8 divisors (see below), whose sum is σ = 3042624. Its totient is φ = 2484720.

The previous prime is 2761111. The next prime is 2761147. The reversal of 2761121 is 1211672.

2761121 = 496² + 497² + ... + 506².

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 2761121 - 2¹⁰ = 2760097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2761093 and 2761102.

It is not an unprimeable number, because it can be changed into a prime (2761111) 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, 86 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (380328).

2^2761121 is an apocalyptic number.

It is an amenable number.

2761121 is a deficient number, since it is larger than the sum of its proper divisors (281503).

2761121 is a wasteful number, since it uses less digits than its factorization.

2761121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551.

The product of its digits is 168, while the sum is 20.

The square root of 2761121 is about 1661.6621196862. The cubic root of 2761121 is about 140.2905699742.

Adding to 2761121 its reverse (1211672), we get a palindrome (3972793).

It can be divided in two parts, 2761 and 121, that added together give a palindrome (2882).

The spelling of 2761121 in words is "two million, seven hundred sixty-one thousand, one hundred twenty-one".