118380617 has 2 divisors, whose sum is σ = 118380618. Its totient is φ = 118380616.

The previous prime is 118380593. The next prime is 118380671. The reversal of 118380617 is 716083811.

Together with next prime (118380671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 1394761 = 10816^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 118380617 - 2⁶ = 118380553 is a prime.

It is not a weakly prime, because it can be changed into another prime (118382617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59190308 + 59190309.

It is an arithmetic number, because the mean of its divisors is an integer number (59190309).

Almost surely, 2^118380617 is an apocalyptic number.

It is an amenable number.

118380617 is a deficient number, since it is larger than the sum of its proper divisors (1).

118380617 is an equidigital number, since it uses as much as digits as its factorization.

118380617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 118380617 is about 10880.2857039694. The cubic root of 118380617 is about 491.0136133043.

The spelling of 118380617 in words is "one hundred eighteen million, three hundred eighty thousand, six hundred seventeen".