118425506 has 4 divisors (see below), whose sum is σ = 177638262. Its totient is φ = 59212752.

The previous prime is 118425443. The next prime is 118425521. The reversal of 118425506 is 605524811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605524811 = 21061 ⋅28751.

It can be written as a sum of positive squares in only one way, i.e., 79049881 + 39375625 = 8891^2 + 6275^2 .

It is an unprimeable number.

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, 29606375 + ... + 29606378.

Almost surely, 2^118425506 is an apocalyptic number.

118425506 is a deficient number, since it is larger than the sum of its proper divisors (59212756).

118425506 is an equidigital number, since it uses as much as digits as its factorization.

118425506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59212755.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 118425506 is about 10882.3483678846. The cubic root of 118425506 is about 491.0756682963.

The spelling of 118425506 in words is "one hundred eighteen million, four hundred twenty-five thousand, five hundred six".