111689002 has 24 divisors (see below), whose sum is σ = 173678400. Its totient is φ = 53864160.

The previous prime is 111688981. The next prime is 111689009. The reversal of 111689002 is 200986111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111689009) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 467199 + ... + 467437.

It is an arithmetic number, because the mean of its divisors is an integer number (7236600).

Almost surely, 2^111689002 is an apocalyptic number.

111689002 is a deficient number, since it is larger than the sum of its proper divisors (61989398).

111689002 is a wasteful number, since it uses less digits than its factorization.

111689002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 421 counting only the distinct ones).

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

The square root of 111689002 is about 10568.3017557222. The cubic root of 111689002 is about 481.5818788642.

The spelling of 111689002 in words is "one hundred eleven million, six hundred eighty-nine thousand, two".