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1123222141 is a prime number
BaseRepresentation
bin100001011110011…
…0000001001111101
32220021112121010001
41002330300021331
54300021102031
6303242314301
736556142056
oct10274601175
92807477101
101123222141
11527036468
122741b8991
1314b9218b2
14a926572d
1568921861
hex42f3027d

1123222141 has 2 divisors, whose sum is σ = 1123222142. Its totient is φ = 1123222140.

The previous prime is 1123222123. The next prime is 1123222169. The reversal of 1123222141 is 1412223211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1048399641 + 74822500 = 32379^2 + 8650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123222141 - 25 = 1123222109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123223141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561611070 + 561611071.

It is an arithmetic number, because the mean of its divisors is an integer number (561611071).

Almost surely, 21123222141 is an apocalyptic number.

It is an amenable number.

1123222141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123222141 is an equidigital number, since it uses as much as digits as its factorization.

1123222141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 1123222141 is about 33514.5064263223. The cubic root of 1123222141 is about 1039.4937566349.

Adding to 1123222141 its reverse (1412223211), we get a palindrome (2535445352).

The spelling of 1123222141 in words is "one billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred forty-one".