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1201001223 = 3439310087
BaseRepresentation
bin100011110010101…
…1101001100000111
310002200220011221210
41013211131030013
54424424014343
6315101342503
741522225202
oct10745351407
93080804853
101201001223
11566a2aaa4
12296267a33
13161a85116
14b5710939
1570687333
hex4795d307

1201001223 has 8 divisors (see below), whose sum is σ = 1638575488. Its totient is φ = 782047224.

The previous prime is 1201001209. The next prime is 1201001231. The reversal of 1201001223 is 3221001021.

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

It is not a de Polignac number, because 1201001223 - 28 = 1201000967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201001199 and 1201001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201001623) 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, 4654915 + ... + 4655172.

It is an arithmetic number, because the mean of its divisors is an integer number (204821936).

Almost surely, 21201001223 is an apocalyptic number.

1201001223 is a deficient number, since it is larger than the sum of its proper divisors (437574265).

1201001223 is an equidigital number, since it uses as much as digits as its factorization.

1201001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310133.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1201001223 is about 34655.4645474563. The cubic root of 1201001223 is about 1062.9540309694.

Adding to 1201001223 its reverse (3221001021), we get a palindrome (4422002244).

The spelling of 1201001223 in words is "one billion, two hundred one million, one thousand, two hundred twenty-three".

Divisors: 1 3 43 129 9310087 27930261 400333741 1201001223