119928987 has 12 divisors (see below), whose sum is σ = 178819264. Its totient is φ = 77373360.

The previous prime is 119928979. The next prime is 119928997. The reversal of 119928987 is 789829911.

It is not a de Polignac number, because 119928987 - 2³ = 119928979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119928937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214648 + ... + 215205.

Almost surely, 2^119928987 is an apocalyptic number.

119928987 is a deficient number, since it is larger than the sum of its proper divisors (58890277).

119928987 is a wasteful number, since it uses less digits than its factorization.

119928987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429890 (or 429887 counting only the distinct ones).

The product of its digits is 653184, while the sum is 54.

The square root of 119928987 is about 10951.2093852688. The cubic root of 119928987 is about 493.1450994906.

The spelling of 119928987 in words is "one hundred nineteen million, nine hundred twenty-eight thousand, nine hundred eighty-seven".