111980602 has 8 divisors (see below), whose sum is σ = 171544896. Its totient is φ = 54798972.

The previous prime is 111980597. The next prime is 111980639. The reversal of 111980602 is 206089111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 595548 + ... + 595735.

It is an arithmetic number, because the mean of its divisors is an integer number (21443112).

Almost surely, 2^111980602 is an apocalyptic number.

111980602 is a deficient number, since it is larger than the sum of its proper divisors (59564294).

111980602 is a wasteful number, since it uses less digits than its factorization.

111980602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191332.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 111980602 is about 10582.0887352167. The cubic root of 111980602 is about 482.0006226928. Note that the first 3 decimals are identical.

The spelling of 111980602 in words is "one hundred eleven million, nine hundred eighty thousand, six hundred two".