118828417 has 2 divisors, whose sum is σ = 118828418. Its totient is φ = 118828416.

The previous prime is 118828387. The next prime is 118828429. The reversal of 118828417 is 714828811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91412721 + 27415696 = 9561^2 + 5236^2 .

It is a cyclic number.

It is not a de Polignac number, because 118828417 - 2⁷ = 118828289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118828417.

It is not a weakly prime, because it can be changed into another prime (118828517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59414208 + 59414209.

It is an arithmetic number, because the mean of its divisors is an integer number (59414209).

Almost surely, 2^118828417 is an apocalyptic number.

It is an amenable number.

118828417 is a deficient number, since it is larger than the sum of its proper divisors (1).

118828417 is an equidigital number, since it uses as much as digits as its factorization.

118828417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28672, while the sum is 40.

The square root of 118828417 is about 10900.8447837771. The cubic root of 118828417 is about 491.6319556203.

The spelling of 118828417 in words is "one hundred eighteen million, eight hundred twenty-eight thousand, four hundred seventeen".