118772123 has 2 divisors, whose sum is σ = 118772124. Its totient is φ = 118772122.

The previous prime is 118772119. The next prime is 118772131. The reversal of 118772123 is 321277811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118772123 - 2² = 118772119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118772123.

It is not a weakly prime, because it can be changed into another prime (112772123) 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, 59386061 + 59386062.

It is an arithmetic number, because the mean of its divisors is an integer number (59386062).

Almost surely, 2^118772123 is an apocalyptic number.

118772123 is a deficient number, since it is larger than the sum of its proper divisors (1).

118772123 is an equidigital number, since it uses as much as digits as its factorization.

118772123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 32.

The square root of 118772123 is about 10898.2623844354. The cubic root of 118772123 is about 491.5543078051.

The spelling of 118772123 in words is "one hundred eighteen million, seven hundred seventy-two thousand, one hundred twenty-three".