1123397 has 8 divisors (see below), whose sum is σ = 1243200. Its totient is φ = 1006560.
The previous prime is 1123391. The next prime is 1123399. The reversal of 1123397 is 7933211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1123397 - 220 = 74821 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1123391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 1502.
It is an arithmetic number, because the mean of its divisors is an integer number (155400).
21123397 is an apocalyptic number.
It is an amenable number.
1123397 is a deficient number, since it is larger than the sum of its proper divisors (119803).
1123397 is a wasteful number, since it uses less digits than its factorization.
1123397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1483.
The product of its digits is 1134, while the sum is 26.
The square root of 1123397 is about 1059.9042409576. The cubic root of 1123397 is about 103.9547695329.
The spelling of 1123397 in words is "one million, one hundred twenty-three thousand, three hundred ninety-seven".
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