118415461 has 2 divisors, whose sum is σ = 118415462. Its totient is φ = 118415460.

The previous prime is 118415459. The next prime is 118415483. The reversal of 118415461 is 164514811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118048225 + 367236 = 10865^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 118415461 - 2¹ = 118415459 is a prime.

Together with 118415459, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118415411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59207730 + 59207731.

It is an arithmetic number, because the mean of its divisors is an integer number (59207731).

Almost surely, 2^118415461 is an apocalyptic number.

It is an amenable number.

118415461 is a deficient number, since it is larger than the sum of its proper divisors (1).

118415461 is an equidigital number, since it uses as much as digits as its factorization.

118415461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 31.

The square root of 118415461 is about 10881.8868308763. The cubic root of 118415461 is about 491.0617833523.

The spelling of 118415461 in words is "one hundred eighteen million, four hundred fifteen thousand, four hundred sixty-one".