118617442 has 4 divisors (see below), whose sum is σ = 177926166. Its totient is φ = 59308720.

The previous prime is 118617431. The next prime is 118617451. The reversal of 118617442 is 244716811.

It is a happy number.

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., 79941481 + 38675961 = 8941^2 + 6219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118617398 and 118617407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29654359 + ... + 29654362.

Almost surely, 2^118617442 is an apocalyptic number.

118617442 is a deficient number, since it is larger than the sum of its proper divisors (59308724).

118617442 is an equidigital number, since it uses as much as digits as its factorization.

118617442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59308723.

The product of its digits is 10752, while the sum is 34.

The square root of 118617442 is about 10891.1634823833. The cubic root of 118617442 is about 491.3408257715.

The spelling of 118617442 in words is "one hundred eighteen million, six hundred seventeen thousand, four hundred forty-two".