119991705 has 32 divisors (see below), whose sum is σ = 202867200. Its totient is φ = 60463872.

The previous prime is 119991679. The next prime is 119991719. The reversal of 119991705 is 507199911.

It is a happy number.

It is not a de Polignac number, because 119991705 - 2⁷ = 119991577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17511 + ... + 23379.

It is an arithmetic number, because the mean of its divisors is an integer number (6339600).

Almost surely, 2^119991705 is an apocalyptic number.

119991705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

119991705 is a deficient number, since it is larger than the sum of its proper divisors (82875495).

119991705 is a wasteful number, since it uses less digits than its factorization.

119991705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953.

The product of its (nonzero) digits is 25515, while the sum is 42.

The square root of 119991705 is about 10954.0725303423. The cubic root of 119991705 is about 493.2310494769.

The spelling of 119991705 in words is "one hundred nineteen million, nine hundred ninety-one thousand, seven hundred five".