118243562 has 4 divisors (see below), whose sum is σ = 177365346. Its totient is φ = 59121780.

The previous prime is 118243561. The next prime is 118243571. The reversal of 118243562 is 265342811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110229001 + 8014561 = 10499^2 + 2831^2 .

It is not an unprimeable number, because it can be changed into a prime (118243561) 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, 29560889 + ... + 29560892.

Almost surely, 2^118243562 is an apocalyptic number.

118243562 is a deficient number, since it is larger than the sum of its proper divisors (59121784).

118243562 is an equidigital number, since it uses as much as digits as its factorization.

118243562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59121783.

The product of its digits is 11520, while the sum is 32.

The square root of 118243562 is about 10873.9855618812. The cubic root of 118243562 is about 490.8240500132.

It can be divided in two parts, 1182 and 43562, that added together give a palindrome (44744).

The spelling of 118243562 in words is "one hundred eighteen million, two hundred forty-three thousand, five hundred sixty-two".