118722479 has 4 divisors (see below), whose sum is σ = 118757160. Its totient is φ = 118687800.

The previous prime is 118722451. The next prime is 118722493. The reversal of 118722479 is 974227811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974227811 = 1777 ⋅548243.

It is a cyclic number.

It is not a de Polignac number, because 118722479 - 2⁸ = 118722223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118782479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11564 + ... + 19265.

It is an arithmetic number, because the mean of its divisors is an integer number (29689290).

Almost surely, 2^118722479 is an apocalyptic number.

118722479 is a deficient number, since it is larger than the sum of its proper divisors (34681).

118722479 is an equidigital number, since it uses as much as digits as its factorization.

118722479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34680.

The product of its digits is 56448, while the sum is 41.

The square root of 118722479 is about 10895.9845355984. The cubic root of 118722479 is about 491.4858121510.

The spelling of 118722479 in words is "one hundred eighteen million, seven hundred twenty-two thousand, four hundred seventy-nine".