1189014838 has 16 divisors (see below), whose sum is σ = 1949501520. Its totient is φ = 539394400.

The previous prime is 1189014829. The next prime is 1189014857. The reversal of 1189014838 is 8384109811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1189014794 and 1189014803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41893 + ... + 64288.

It is an arithmetic number, because the mean of its divisors is an integer number (121843845).

Almost surely, 2^1189014838 is an apocalyptic number.

1189014838 is a deficient number, since it is larger than the sum of its proper divisors (760486682).

1189014838 is a wasteful number, since it uses less digits than its factorization.

1189014838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106703.

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 1189014838 is about 34482.0944549486. The cubic root of 1189014838 is about 1059.4059915032.

The spelling of 1189014838 in words is "one billion, one hundred eighty-nine million, fourteen thousand, eight hundred thirty-eight".