118538426 has 4 divisors (see below), whose sum is σ = 177807642. Its totient is φ = 59269212.

The previous prime is 118538411. The next prime is 118538429. The reversal of 118538426 is 624835811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624835811 = 23417 ⋅26683.

It can be written as a sum of positive squares in only one way, i.e., 104060401 + 14478025 = 10201^2 + 3805^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118538426.

It is not an unprimeable number, because it can be changed into a prime (118538429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29634605 + ... + 29634608.

Almost surely, 2^118538426 is an apocalyptic number.

118538426 is a deficient number, since it is larger than the sum of its proper divisors (59269216).

118538426 is an equidigital number, since it uses as much as digits as its factorization.

118538426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59269215.

The product of its digits is 46080, while the sum is 38.

The square root of 118538426 is about 10887.5353501148. The cubic root of 118538426 is about 491.2317006998.

The spelling of 118538426 in words is "one hundred eighteen million, five hundred thirty-eight thousand, four hundred twenty-six".