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1193161 is a prime number
BaseRepresentation
bin100100011010011001001
32020121201011
410203103021
5301140121
641323521
713066414
oct4432311
92217634
101193161
11745492
124965a1
1332a118
14230b7b
151887e1
hex1234c9

1193161 has 2 divisors, whose sum is σ = 1193162. Its totient is φ = 1193160.

The previous prime is 1193149. The next prime is 1193173. The reversal of 1193161 is 1613911.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1193149) and next prime (1193173).

It can be written as a sum of positive squares in only one way, i.e., 810000 + 383161 = 900^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 1193161 - 219 = 668873 is a prime.

It is a Chen prime.

It is an Ulam number.

1193161 is a lucky number.

It is equal to p92452 and since 1193161 and 92452 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1193131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 596580 + 596581.

It is an arithmetic number, because the mean of its divisors is an integer number (596581).

21193161 is an apocalyptic number.

1193161 is the 489-th centered decagonal number.

It is an amenable number.

1193161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1193161 is an equidigital number, since it uses as much as digits as its factorization.

1193161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 22.

The square root of 1193161 is about 1092.3190925732. The cubic root of 1193161 is about 106.0635965819.

The spelling of 1193161 in words is "one million, one hundred ninety-three thousand, one hundred sixty-one".