408124361 has 2 divisors, whose sum is σ = 408124362. Its totient is φ = 408124360.

The previous prime is 408124289. The next prime is 408124399. The reversal of 408124361 is 163421804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290532025 + 117592336 = 17045^2 + 10844^2 .

It is a cyclic number.

It is not a de Polignac number, because 408124361 - 2¹⁰ = 408123337 is a prime.

It is equal to p_21746270 and since 408124361 and 21746270 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 (408124961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204062180 + 204062181.

It is an arithmetic number, because the mean of its divisors is an integer number (204062181).

Almost surely, 2^408124361 is an apocalyptic number.

It is an amenable number.

408124361 is a deficient number, since it is larger than the sum of its proper divisors (1).

408124361 is an equidigital number, since it uses as much as digits as its factorization.

408124361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 408124361 is about 20202.0880356462. The cubic root of 408124361 is about 741.7613030665.

The spelling of 408124361 in words is "four hundred eight million, one hundred twenty-four thousand, three hundred sixty-one".