118980838 has 4 divisors (see below), whose sum is σ = 178471260. Its totient is φ = 59490418.

The previous prime is 118980767. The next prime is 118980847. The reversal of 118980838 is 838089811.

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

It is a super-2 number, since 2×118980838² = 28312879622364488, which contains 22 as substring.

It is a congruent number.

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, 29745208 + ... + 29745211.

It is an arithmetic number, because the mean of its divisors is an integer number (44617815).

Almost surely, 2^118980838 is an apocalyptic number.

118980838 is a deficient number, since it is larger than the sum of its proper divisors (59490422).

118980838 is an equidigital number, since it uses as much as digits as its factorization.

118980838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59490421.

The product of its (nonzero) digits is 110592, while the sum is 46.

The square root of 118980838 is about 10907.8337904462. The cubic root of 118980838 is about 491.8420709539.

The spelling of 118980838 in words is "one hundred eighteen million, nine hundred eighty thousand, eight hundred thirty-eight".