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1124031121 = 10111129021
BaseRepresentation
bin100001011111111…
…0101101010010001
32220100001200211021
41002333311222101
54300222443441
6303311515441
736566051443
oct10277655221
92810050737
101124031121
11527539244
12274528b81
1314bb45b95
14a93d6493
1568a313d1
hex42ff5a91

1124031121 has 4 divisors (see below), whose sum is σ = 1135160244. Its totient is φ = 1112902000.

The previous prime is 1124031071. The next prime is 1124031149. The reversal of 1124031121 is 1211304211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 677300625 + 446730496 = 26025^2 + 21136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124031121 - 27 = 1124030993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1124031095 and 1124031104.

It is not an unprimeable number, because it can be changed into a prime (1124031521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5564410 + ... + 5564611.

It is an arithmetic number, because the mean of its divisors is an integer number (283790061).

Almost surely, 21124031121 is an apocalyptic number.

It is an amenable number.

1124031121 is a deficient number, since it is larger than the sum of its proper divisors (11129123).

1124031121 is a wasteful number, since it uses less digits than its factorization.

1124031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11129122.

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

The square root of 1124031121 is about 33526.5733560709. The cubic root of 1124031121 is about 1039.7432554714.

Adding to 1124031121 its reverse (1211304211), we get a palindrome (2335335332).

The spelling of 1124031121 in words is "one billion, one hundred twenty-four million, thirty-one thousand, one hundred twenty-one".

Divisors: 1 101 11129021 1124031121