2455121 has 8 divisors (see below), whose sum is σ = 2535624. Its totient is φ = 2375680.

The previous prime is 2455091. The next prime is 2455127. The reversal of 2455121 is 1215542.

2455121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 2265025 = 436^2 + 1505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2455121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2455093 and 2455102.

It is not an unprimeable number, because it can be changed into a prime (2455127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9425 + ... + 9681.

It is an arithmetic number, because the mean of its divisors is an integer number (316953).

2^2455121 is an apocalyptic number.

It is an amenable number.

2455121 is a deficient number, since it is larger than the sum of its proper divisors (80503).

2455121 is a wasteful number, since it uses less digits than its factorization.

2455121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its digits is 400, while the sum is 20.

The square root of 2455121 is about 1566.8825737751. The cubic root of 2455121 is about 134.9038364093.

The spelling of 2455121 in words is "two million, four hundred fifty-five thousand, one hundred twenty-one".