119878947 has 14 divisors (see below), whose sum is σ = 179737292. Its totient is φ = 79918812.

The previous prime is 119878909. The next prime is 119878949. The reversal of 119878947 is 749878911.

It is not a de Polignac number, because 119878947 - 2¹¹ = 119876899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119878893 and 119878902.

It is not an unprimeable number, because it can be changed into a prime (119878949) 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 13 ways as a sum of consecutive naturals, for example, 81493 + ... + 82950.

It is an arithmetic number, because the mean of its divisors is an integer number (12838378).

Almost surely, 2^119878947 is an apocalyptic number.

119878947 is a deficient number, since it is larger than the sum of its proper divisors (59858345).

119878947 is an frugal number, since it uses more digits than its factorization.

119878947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164461 (or 164446 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 54.

The square root of 119878947 is about 10948.9244677274. The cubic root of 119878947 is about 493.0765021917.

The spelling of 119878947 in words is "one hundred nineteen million, eight hundred seventy-eight thousand, nine hundred forty-seven".