1247053 has 2 divisors, whose sum is σ = 1247054. Its totient is φ = 1247052.
The previous prime is 1247033. The next prime is 1247063. The reversal of 1247053 is 3507421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1004004 + 243049 = 1002^2 + 493^2 .
It is an emirp because it is prime and its reverse (3507421) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1247053 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1247033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623526 + 623527.
It is an arithmetic number, because the mean of its divisors is an integer number (623527).
21247053 is an apocalyptic number.
It is an amenable number.
1247053 is a deficient number, since it is larger than the sum of its proper divisors (1).
1247053 is an equidigital number, since it uses as much as digits as its factorization.
1247053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 1247053 is about 1116.7152725740. The cubic root of 1247053 is about 107.6370129664.
The spelling of 1247053 in words is "one million, two hundred forty-seven thousand, fifty-three".
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