118880642 has 4 divisors (see below), whose sum is σ = 178320966. Its totient is φ = 59440320.

The previous prime is 118880621. The next prime is 118880647. The reversal of 118880642 is 246088811.

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., 118831801 + 48841 = 10901^2 + 221^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118880596 and 118880605.

It is not an unprimeable number, because it can be changed into a prime (118880647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29720159 + ... + 29720162.

Almost surely, 2^118880642 is an apocalyptic number.

118880642 is a deficient number, since it is larger than the sum of its proper divisors (59440324).

118880642 is an equidigital number, since it uses as much as digits as its factorization.

118880642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59440323.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 118880642 is about 10903.2399771811. The cubic root of 118880642 is about 491.7039690298.

The spelling of 118880642 in words is "one hundred eighteen million, eight hundred eighty thousand, six hundred forty-two".