127089 has 12 divisors (see below), whose sum is σ = 190736. Its totient is φ = 84564.
The previous prime is 127081. The next prime is 127103. The reversal of 127089 is 980721.
It is not a de Polignac number, because 127089 - 23 = 127081 is a prime.
It is a super-2 number, since 2×1270892 = 32303227842, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 14.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 127089.
It is not an unprimeable number, because it can be changed into a prime (127081) 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, 19 + ... + 504.
2127089 is an apocalyptic number.
It is an amenable number.
127089 is a deficient number, since it is larger than the sum of its proper divisors (63647).
127089 is an frugal number, since it uses more digits than its factorization.
127089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 538 (or 526 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 127089 is about 356.4954417661. The cubic root of 127089 is about 50.2769959643.
The spelling of 127089 in words is "one hundred twenty-seven thousand, eighty-nine".
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