118639049 has 2 divisors, whose sum is σ = 118639050. Its totient is φ = 118639048.

The previous prime is 118639033. The next prime is 118639099. The reversal of 118639049 is 940936811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118113424 + 525625 = 10868^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 118639049 - 2⁴ = 118639033 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118638997 and 118639015.

It is not a weakly prime, because it can be changed into another prime (118639009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59319524 + 59319525.

It is an arithmetic number, because the mean of its divisors is an integer number (59319525).

Almost surely, 2^118639049 is an apocalyptic number.

It is an amenable number.

118639049 is a deficient number, since it is larger than the sum of its proper divisors (1).

118639049 is an equidigital number, since it uses as much as digits as its factorization.

118639049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 118639049 is about 10892.1553881681. The cubic root of 118639049 is about 491.3706576875.

The spelling of 118639049 in words is "one hundred eighteen million, six hundred thirty-nine thousand, forty-nine".