2406121 has 2 divisors, whose sum is σ = 2406122. Its totient is φ = 2406120.

The previous prime is 2406097. The next prime is 2406133. The reversal of 2406121 is 1216042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 318096 = 1445^2 + 564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2406121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2406095 and 2406104.

It is not a weakly prime, because it can be changed into another prime (2406161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203060 + 1203061.

It is an arithmetic number, because the mean of its divisors is an integer number (1203061).

2^2406121 is an apocalyptic number.

It is an amenable number.

2406121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406121 is an equidigital number, since it uses as much as digits as its factorization.

2406121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2406121 is about 1551.1676247266. The cubic root of 2406121 is about 134.0003155855. Note that the first 3 decimals are identical.

The spelling of 2406121 in words is "two million, four hundred six thousand, one hundred twenty-one".