1242106 has 8 divisors (see below), whose sum is σ = 1961280. Its totient is φ = 588348.
The previous prime is 1242103. The next prime is 1242107. The reversal of 1242106 is 6012421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1242106.
It is not an unprimeable number, because it can be changed into a prime (1242103) 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, 16306 + ... + 16381.
It is an arithmetic number, because the mean of its divisors is an integer number (245160).
21242106 is an apocalyptic number.
1242106 is a deficient number, since it is larger than the sum of its proper divisors (719174).
1242106 is a wasteful number, since it uses less digits than its factorization.
1242106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32708.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1242106 is about 1114.4980933138. The cubic root of 1242106 is about 107.4944940393.
Adding to 1242106 its reverse (6012421), we get a palindrome (7254527).
The spelling of 1242106 in words is "one million, two hundred forty-two thousand, one hundred six".
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