118361797 has 2 divisors, whose sum is σ = 118361798. Its totient is φ = 118361796.

The previous prime is 118361791. The next prime is 118361807. The reversal of 118361797 is 797163811.

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., 111386916 + 6974881 = 10554^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 118361797 - 2¹⁹ = 117837509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118361791) 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, 59180898 + 59180899.

It is an arithmetic number, because the mean of its divisors is an integer number (59180899).

Almost surely, 2^118361797 is an apocalyptic number.

It is an amenable number.

118361797 is a deficient number, since it is larger than the sum of its proper divisors (1).

118361797 is an equidigital number, since it uses as much as digits as its factorization.

118361797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 43.

The square root of 118361797 is about 10879.4208025979. The cubic root of 118361797 is about 490.9875916852.

The spelling of 118361797 in words is "one hundred eighteen million, three hundred sixty-one thousand, seven hundred ninety-seven".