119665 has 16 divisors (see below), whose sum is σ = 177408. Its totient is φ = 75456.

The previous prime is 119659. The next prime is 119671. The reversal of 119665 is 566911.

It is an interprime number because it is at equal distance from previous prime (119659) and next prime (119671).

It is a cyclic number.

It is not a de Polignac number, because 119665 - 2³ = 119657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324 + ... + 586.

It is an arithmetic number, because the mean of its divisors is an integer number (11088).

2¹¹⁹⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

119665 is a deficient number, since it is larger than the sum of its proper divisors (57743).

119665 is a wasteful number, since it uses less digits than its factorization.

119665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its digits is 1620, while the sum is 28.

The square root of 119665 is about 345.9262927272. The cubic root of 119665 is about 49.2782997618.

It can be divided in two parts, 119 and 665, that added together give a square (784 = 28²).

The spelling of 119665 in words is "one hundred nineteen thousand, six hundred sixty-five".