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1127128 = 23140891
BaseRepresentation
bin100010011001011011000
32010021010111
410103023120
5242032003
640054104
712403042
oct4231330
92107114
101127128
116aa912
12464334
13306052
14214a92
15173e6d
hex1132d8

1127128 has 8 divisors (see below), whose sum is σ = 2113380. Its totient is φ = 563560.

The previous prime is 1127123. The next prime is 1127149. The reversal of 1127128 is 8217211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1127099 and 1127108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70438 + ... + 70453.

21127128 is an apocalyptic number.

It is an amenable number.

1127128 is a deficient number, since it is larger than the sum of its proper divisors (986252).

1127128 is a wasteful number, since it uses less digits than its factorization.

1127128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140897 (or 140893 counting only the distinct ones).

The product of its digits is 224, while the sum is 22.

The square root of 1127128 is about 1061.6628466703. The cubic root of 1127128 is about 104.0697264173.

The spelling of 1127128 in words is "one million, one hundred twenty-seven thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 140891 281782 563564 1127128