1249319 has 2 divisors, whose sum is σ = 1249320. Its totient is φ = 1249318.
The previous prime is 1249301. The next prime is 1249321. The reversal of 1249319 is 9139421.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1249319 - 28 = 1249063 is a prime.
It is a super-2 number, since 2×12493192 = 3121595927522, which contains 22 as substring.
Together with 1249321, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 1249291 and 1249300.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1249019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624659 + 624660.
It is an arithmetic number, because the mean of its divisors is an integer number (624660).
21249319 is an apocalyptic number.
1249319 is a deficient number, since it is larger than the sum of its proper divisors (1).
1249319 is an equidigital number, since it uses as much as digits as its factorization.
1249319 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1944, while the sum is 29.
The square root of 1249319 is about 1117.7293948000. The cubic root of 1249319 is about 107.7021686810.
The spelling of 1249319 in words is "one million, two hundred forty-nine thousand, three hundred nineteen".
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