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123000201 = 341518521
BaseRepresentation
bin1110101010011…
…01010110001001
322120110001120000
413111031112021
5222442001301
620112153213
73022325112
oct725152611
9276401500
10123000201
1163480965
1235238809
131c6376ac
141249b209
15abe9786
hex754d589

123000201 has 10 divisors (see below), whose sum is σ = 183741162. Its totient is φ = 82000080.

The previous prime is 123000197. The next prime is 123000203. The reversal of 123000201 is 102000321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87609600 + 35390601 = 9360^2 + 5949^2 .

It is not a de Polignac number, because 123000201 - 22 = 123000197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (123000203) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 759180 + ... + 759341.

Almost surely, 2123000201 is an apocalyptic number.

It is an amenable number.

123000201 is a deficient number, since it is larger than the sum of its proper divisors (60740961).

123000201 is an equidigital number, since it uses as much as digits as its factorization.

123000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518533 (or 1518524 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 123000201 is about 11090.5455681855. The cubic root of 123000201 is about 497.3192542240.

Adding to 123000201 its reverse (102000321), we get a palindrome (225000522).

It can be divided in two parts, 123000 and 201, that added together give a square (123201 = 3512).

The spelling of 123000201 in words is "one hundred twenty-three million, two hundred one", and thus it is an aban number.

Divisors: 1 3 9 27 81 1518521 4555563 13666689 41000067 123000201