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123441112 = 2315430139
BaseRepresentation
bin1110101101110…
…00111111011000
322121021110101001
413112320333120
5223100103422
620125434344
73026142424
oct726707730
9277243331
10123441112
1163752153
123540b9b4
131c7602a2
1412573b84
15ac85227
hex75b8fd8

123441112 has 8 divisors (see below), whose sum is σ = 231452100. Its totient is φ = 61720552.

The previous prime is 123441107. The next prime is 123441113. The reversal of 123441112 is 211144321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 123441112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123441113) 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 as a sum of consecutive naturals, namely, 7715062 + ... + 7715077.

Almost surely, 2123441112 is an apocalyptic number.

It is an amenable number.

123441112 is a deficient number, since it is larger than the sum of its proper divisors (108010988).

123441112 is a wasteful number, since it uses less digits than its factorization.

123441112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15430145 (or 15430141 counting only the distinct ones).

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

The square root of 123441112 is about 11110.4055731553. The cubic root of 123441112 is about 497.9127818312.

Adding to 123441112 its reverse (211144321), we get a palindrome (334585433).

It can be divided in two parts, 12344 and 1112, that added together give a square (13456 = 1162).

The spelling of 123441112 in words is "one hundred twenty-three million, four hundred forty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 15430139 30860278 61720556 123441112