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1123211041 = 4326121187
BaseRepresentation
bin100001011110010…
…1101011100100001
32220021112000212221
41002330231130201
54300020223131
6303242151041
736556064521
oct10274553441
92807460787
101123211041
11527029097
122741b2481
1314b919824
14a9261681
156891d411
hex42f2d721

1123211041 has 4 divisors (see below), whose sum is σ = 1149332272. Its totient is φ = 1097089812.

The previous prime is 1123211039. The next prime is 1123211071. The reversal of 1123211041 is 1401123211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1401123211 = 5326436287.

It is a cyclic number.

It is not a de Polignac number, because 1123211041 - 21 = 1123211039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123211071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13060551 + ... + 13060636.

It is an arithmetic number, because the mean of its divisors is an integer number (287333068).

Almost surely, 21123211041 is an apocalyptic number.

It is an amenable number.

1123211041 is a deficient number, since it is larger than the sum of its proper divisors (26121231).

1123211041 is an equidigital number, since it uses as much as digits as its factorization.

1123211041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26121230.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1123211041 is about 33514.3408259807. The cubic root of 1123211041 is about 1039.4903324328.

Adding to 1123211041 its reverse (1401123211), we get a palindrome (2524334252).

The spelling of 1123211041 in words is "one billion, one hundred twenty-three million, two hundred eleven thousand, forty-one".

Divisors: 1 43 26121187 1123211041