121376 has 12 divisors (see below), whose sum is σ = 239022. Its totient is φ = 60672.
The previous prime is 121369. The next prime is 121379. The reversal of 121376 is 673121.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 115600 + 5776 = 340^2 + 76^2 .
It is not an unprimeable number, because it can be changed into a prime (121379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1865 + ... + 1928.
2121376 is an apocalyptic number.
121376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
121376 is a deficient number, since it is larger than the sum of its proper divisors (117646).
121376 is an equidigital number, since it uses as much as digits as its factorization.
121376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3803 (or 3795 counting only the distinct ones).
The product of its digits is 252, while the sum is 20.
The square root of 121376 is about 348.3905854067. The cubic root of 121376 is about 49.5120536575.
Adding to 121376 its reverse (673121), we get a palindrome (794497).
The spelling of 121376 in words is "one hundred twenty-one thousand, three hundred seventy-six".
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