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111241123 = 7273137227
BaseRepresentation
bin1101010000101…
…10011110100011
321202022122010121
412220112132203
5211434203443
615012141111
72520351100
oct650263643
9252278117
10111241123
115787a114
1231307797
131a07b266
1410ab9aa7
159b754ed
hex6a167a3

111241123 has 24 divisors (see below), whose sum is σ = 132715152. Its totient is φ = 92945664.

The previous prime is 111241121. The next prime is 111241127. The reversal of 111241123 is 321142111.

It is not a de Polignac number, because 111241123 - 21 = 111241121 is a prime.

It is a super-2 number, since 2×1112411232 = 24749174892602258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111241097 and 111241106.

It is not an unprimeable number, because it can be changed into a prime (111241121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489936 + ... + 490162.

It is an arithmetic number, because the mean of its divisors is an integer number (5529798).

Almost surely, 2111241123 is an apocalyptic number.

111241123 is a deficient number, since it is larger than the sum of its proper divisors (21474029).

111241123 is a wasteful number, since it uses less digits than its factorization.

111241123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 444 counting only the distinct ones).

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

The square root of 111241123 is about 10547.0907363121. The cubic root of 111241123 is about 480.9372932721.

Adding to 111241123 its reverse (321142111), we get a palindrome (432383234).

The spelling of 111241123 in words is "one hundred eleven million, two hundred forty-one thousand, one hundred twenty-three".

Divisors: 1 7 49 73 137 227 511 959 1589 3577 6713 10001 11123 16571 31099 70007 115997 217693 490049 811979 1523851 2270227 15891589 111241123