118729997 has 2 divisors, whose sum is σ = 118729998. Its totient is φ = 118729996.

The previous prime is 118729951. The next prime is 118730011. The reversal of 118729997 is 799927811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112805641 + 5924356 = 10621^2 + 2434^2 .

It is a cyclic number.

It is not a de Polignac number, because 118729997 - 2¹⁶ = 118664461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118729937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59364998 + 59364999.

It is an arithmetic number, because the mean of its divisors is an integer number (59364999).

Almost surely, 2^118729997 is an apocalyptic number.

It is an amenable number.

118729997 is a deficient number, since it is larger than the sum of its proper divisors (1).

118729997 is an equidigital number, since it uses as much as digits as its factorization.

118729997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 53.

The square root of 118729997 is about 10896.3295196135. The cubic root of 118729997 is about 491.4961862390.

The spelling of 118729997 in words is "one hundred eighteen million, seven hundred twenty-nine thousand, nine hundred ninety-seven".