417124861 has 2 divisors, whose sum is σ = 417124862. Its totient is φ = 417124860.

The previous prime is 417124853. The next prime is 417124889. The reversal of 417124861 is 168421714.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331931961 + 85192900 = 18219^2 + 9230^2 .

It is a cyclic number.

It is not a de Polignac number, because 417124861 - 2³ = 417124853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (417124831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208562430 + 208562431.

It is an arithmetic number, because the mean of its divisors is an integer number (208562431).

Almost surely, 2^417124861 is an apocalyptic number.

It is an amenable number.

417124861 is a deficient number, since it is larger than the sum of its proper divisors (1).

417124861 is an equidigital number, since it uses as much as digits as its factorization.

417124861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 417124861 is about 20423.6348625802. The cubic root of 417124861 is about 747.1744713664.

The spelling of 417124861 in words is "four hundred seventeen million, one hundred twenty-four thousand, eight hundred sixty-one".