4121291 has 2 divisors, whose sum is σ = 4121292. Its totient is φ = 4121290.

The previous prime is 4121269. The next prime is 4121297. The reversal of 4121291 is 1921214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4121291 - 2¹⁴ = 4104907 is a prime.

It is equal to p₂₉₁₁₅₂ and since 4121291 and 291152 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4121297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060645 + 2060646.

It is an arithmetic number, because the mean of its divisors is an integer number (2060646).

Almost surely, 2^4121291 is an apocalyptic number.

4121291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121291 is an equidigital number, since it uses as much as digits as its factorization.

4121291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

The square root of 4121291 is about 2030.0963031344. The cubic root of 4121291 is about 160.3286344300.

The spelling of 4121291 in words is "four million, one hundred twenty-one thousand, two hundred ninety-one".