1197031 has 4 divisors (see below), whose sum is σ = 1305864. Its totient is φ = 1088200.
The previous prime is 1197029. The next prime is 1197037. The reversal of 1197031 is 1307911.
1197031 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1307911 = 11 ⋅118901.
It is a cyclic number.
It is not a de Polignac number, because 1197031 - 21 = 1197029 is a prime.
It is a super-2 number, since 2×11970312 = 2865766429922, which contains 22 as substring.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1196993 and 1197011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1197037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54400 + ... + 54421.
It is an arithmetic number, because the mean of its divisors is an integer number (326466).
21197031 is an apocalyptic number.
1197031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1197031 is a deficient number, since it is larger than the sum of its proper divisors (108833).
1197031 is a wasteful number, since it uses less digits than its factorization.
1197031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108832.
The product of its (nonzero) digits is 189, while the sum is 22.
The square root of 1197031 is about 1094.0891188564. The cubic root of 1197031 is about 106.1781447266.
The spelling of 1197031 in words is "one million, one hundred ninety-seven thousand, thirty-one".
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