1241386 has 4 divisors (see below), whose sum is σ = 1862082. Its totient is φ = 620692.
The previous prime is 1241381. The next prime is 1241389. The reversal of 1241386 is 6831421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6831421 = 37 ⋅184633.
It can be written as a sum of positive squares in only one way, i.e., 1010025 + 231361 = 1005^2 + 481^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1241386.
It is not an unprimeable number, because it can be changed into a prime (1241381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310345 + ... + 310348.
21241386 is an apocalyptic number.
1241386 is a deficient number, since it is larger than the sum of its proper divisors (620696).
1241386 is an equidigital number, since it uses as much as digits as its factorization.
1241386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 620695.
The product of its digits is 1152, while the sum is 25.
The square root of 1241386 is about 1114.1750311329. The cubic root of 1241386 is about 107.4737199145.
The spelling of 1241386 in words is "one million, two hundred forty-one thousand, three hundred eighty-six".
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