1385042 has 4 divisors (see below), whose sum is σ = 2077566. Its totient is φ = 692520.
The previous prime is 1385039. The next prime is 1385051. The reversal of 1385042 is 2405831.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 1207801 + 177241 = 1099^2 + 421^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1384999 and 1385017.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346259 + ... + 346262.
21385042 is an apocalyptic number.
1385042 is a deficient number, since it is larger than the sum of its proper divisors (692524).
1385042 is an equidigital number, since it uses as much as digits as its factorization.
1385042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 692523.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 1385042 is about 1176.8780735488. The cubic root of 1385042 is about 111.4690537296.
The spelling of 1385042 in words is "one million, three hundred eighty-five thousand, forty-two".
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