119619978 has 16 divisors (see below), whose sum is σ = 240243840. Its totient is φ = 39706016.

The previous prime is 119619971. The next prime is 119619989. The reversal of 119619978 is 879916911.

It is a self number, because there is not a number n which added to its sum of digits gives 119619978.

It is not an unprimeable number, because it can be changed into a prime (119619971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40275 + ... + 43142.

It is an arithmetic number, because the mean of its divisors is an integer number (15015240).

Almost surely, 2^119619978 is an apocalyptic number.

119619978 is an abundant number, since it is smaller than the sum of its proper divisors (120623862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

119619978 is a wasteful number, since it uses less digits than its factorization.

119619978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83661.

The product of its digits is 244944, while the sum is 51.

The square root of 119619978 is about 10937.0918438130. The cubic root of 119619978 is about 492.7211893501.

The spelling of 119619978 in words is "one hundred nineteen million, six hundred nineteen thousand, nine hundred seventy-eight".