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1197085 = 5239417
BaseRepresentation
bin100100100010000011101
32020211002111
410210100131
5301301320
641354021
713114021
oct4442035
92224074
101197085
1174842a
12498911
1332bb46
14232381
15189a5a
hex12441d

1197085 has 4 divisors (see below), whose sum is σ = 1436508. Its totient is φ = 957664.

The previous prime is 1197073. The next prime is 1197103. The reversal of 1197085 is 5807911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5807911 = 8237057.

It can be written as a sum of positive squares in 2 ways, for example, as 574564 + 622521 = 758^2 + 789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1197085 - 211 = 1195037 is a prime.

It is a Smith number, since the sum of its digits (31) 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.

1197085 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119704 + ... + 119713.

It is an arithmetic number, because the mean of its divisors is an integer number (359127).

21197085 is an apocalyptic number.

It is an amenable number.

1197085 is a deficient number, since it is larger than the sum of its proper divisors (239423).

1197085 is an equidigital number, since it uses as much as digits as its factorization.

1197085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239422.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1197085 is about 1094.1137966409. The cubic root of 1197085 is about 106.1797413251.

The spelling of 1197085 in words is "one million, one hundred ninety-seven thousand, eighty-five".

Divisors: 1 5 239417 1197085