122146 has 8 divisors (see below), whose sum is σ = 184860. Its totient is φ = 60528.
The previous prime is 122131. The next prime is 122147. The reversal of 122146 is 641221.
It can be written as a sum of positive squares in 2 ways, for example, as 114921 + 7225 = 339^2 + 85^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (122147) by changing a digit.
122146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120 + ... + 508.
2122146 is an apocalyptic number.
122146 is a deficient number, since it is larger than the sum of its proper divisors (62714).
122146 is a wasteful number, since it uses less digits than its factorization.
122146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 548.
The product of its digits is 96, while the sum is 16.
The square root of 122146 is about 349.4939198327. The cubic root of 122146 is about 49.6165332500.
Adding to 122146 its reverse (641221), we get a palindrome (763367).
It can be divided in two parts, 12 and 2146, that multiplied together give a palindrome (25752).
The spelling of 122146 in words is "one hundred twenty-two thousand, one hundred forty-six".
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