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1128201 = 31919793
BaseRepresentation
bin100010011011100001001
32010022121020
410103130021
5242100301
640103053
712406134
oct4233411
92108536
101128201
117006a8
12464a89
13306699
1421521b
15174436
hex113709

1128201 has 8 divisors (see below), whose sum is σ = 1583520. Its totient is φ = 712512.

The previous prime is 1128181. The next prime is 1128209. The reversal of 1128201 is 1028211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1128201 - 210 = 1127177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9840 + ... + 9953.

It is an arithmetic number, because the mean of its divisors is an integer number (197940).

21128201 is an apocalyptic number.

It is an amenable number.

1128201 is a deficient number, since it is larger than the sum of its proper divisors (455319).

1128201 is a wasteful number, since it uses less digits than its factorization.

1128201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19815.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1128201 is about 1062.1680657975. The cubic root of 1128201 is about 104.1027399409.

The spelling of 1128201 in words is "one million, one hundred twenty-eight thousand, two hundred one".

Divisors: 1 3 19 57 19793 59379 376067 1128201