118470397 has 2 divisors, whose sum is σ = 118470398. Its totient is φ = 118470396.

The previous prime is 118470383. The next prime is 118470403. The reversal of 118470397 is 793074811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80389156 + 38081241 = 8966^2 + 6171^2 .

It is a cyclic number.

It is not a de Polignac number, because 118470397 - 2¹⁹ = 117946109 is a prime.

It is a super-3 number, since 3×118470397³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118470367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59235198 + 59235199.

It is an arithmetic number, because the mean of its divisors is an integer number (59235199).

Almost surely, 2^118470397 is an apocalyptic number.

It is an amenable number.

118470397 is a deficient number, since it is larger than the sum of its proper divisors (1).

118470397 is an equidigital number, since it uses as much as digits as its factorization.

118470397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 118470397 is about 10884.4107327866. The cubic root of 118470397 is about 491.1377103729.

The spelling of 118470397 in words is "one hundred eighteen million, four hundred seventy thousand, three hundred ninety-seven".