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1201017 = 3400339
BaseRepresentation
bin100100101001101111001
32021000111010
410211031321
5301413032
641424133
713131336
oct4451571
92230433
101201017
11750384
1249b049
1333087c
1423398d
1518accc
hex125379

1201017 has 4 divisors (see below), whose sum is σ = 1601360. Its totient is φ = 800676.

The previous prime is 1201003. The next prime is 1201019. The reversal of 1201017 is 7101021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7101021 = 32367007.

It is not a de Polignac number, because 1201017 - 24 = 1201001 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1200993 and 1201011.

It is not an unprimeable number, because it can be changed into a prime (1201019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200167 + ... + 200172.

It is an arithmetic number, because the mean of its divisors is an integer number (400340).

21201017 is an apocalyptic number.

It is an amenable number.

1201017 is a deficient number, since it is larger than the sum of its proper divisors (400343).

1201017 is an equidigital number, since it uses as much as digits as its factorization.

1201017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400342.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 1201017 is about 1095.9092115682. The cubic root of 1201017 is about 106.2958685462.

Adding to 1201017 its reverse (7101021), we get a palindrome (8302038).

The spelling of 1201017 in words is "one million, two hundred one thousand, seventeen".

Divisors: 1 3 400339 1201017