2648121 has 16 divisors (see below), whose sum is σ = 4122624. Its totient is φ = 1480464.

The previous prime is 2648101. The next prime is 2648123. The reversal of 2648121 is 1218462.

It is not a de Polignac number, because 2648121 - 2⁶ = 2648057 is a prime.

It is a Curzon number.

2648121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2648091 and 2648100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355 + ... + 2328.

It is an arithmetic number, because the mean of its divisors is an integer number (257664).

2^2648121 is an apocalyptic number.

2648121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2648121 is a deficient number, since it is larger than the sum of its proper divisors (1474503).

2648121 is a wasteful number, since it uses less digits than its factorization.

2648121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740.

The product of its digits is 768, while the sum is 24.

The square root of 2648121 is about 1627.3048270069. The cubic root of 2648121 is about 138.3500355633.

It can be divided in two parts, 264 and 8121, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 2648121 in words is "two million, six hundred forty-eight thousand, one hundred twenty-one".