118965671 has 4 divisors (see below), whose sum is σ = 129780744. Its totient is φ = 108150600.

The previous prime is 118965667. The next prime is 118965697. The reversal of 118965671 is 176569811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118965671 - 2² = 118965667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118965611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5407520 + ... + 5407541.

It is an arithmetic number, because the mean of its divisors is an integer number (32445186).

Almost surely, 2^118965671 is an apocalyptic number.

118965671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118965671 is a deficient number, since it is larger than the sum of its proper divisors (10815073).

118965671 is a wasteful number, since it uses less digits than its factorization.

118965671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10815072.

The product of its digits is 90720, while the sum is 44.

The square root of 118965671 is about 10907.1385340061. The cubic root of 118965671 is about 491.8211709899.

The spelling of 118965671 in words is "one hundred eighteen million, nine hundred sixty-five thousand, six hundred seventy-one".