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1120321321 = 7160045903
BaseRepresentation
bin100001011000110…
…1011111100101001
32220002002012221021
41002301223330221
54243300240241
6303100212441
736522400630
oct10261537451
92802065837
101120321321
11525434a99
1227323a121
1314b147432
14a8b0c517
156854c0d1
hex42c6bf29

1120321321 has 4 divisors (see below), whose sum is σ = 1280367232. Its totient is φ = 960275412.

The previous prime is 1120321309. The next prime is 1120321327. The reversal of 1120321321 is 1231230211.

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.

It is a cyclic number.

It is not a de Polignac number, because 1120321321 - 25 = 1120321289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120321295 and 1120321304.

It is not an unprimeable number, because it can be changed into a prime (1120321327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80022945 + ... + 80022958.

It is an arithmetic number, because the mean of its divisors is an integer number (320091808).

Almost surely, 21120321321 is an apocalyptic number.

It is an amenable number.

1120321321 is a deficient number, since it is larger than the sum of its proper divisors (160045911).

1120321321 is an equidigital number, since it uses as much as digits as its factorization.

1120321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160045910.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1120321321 is about 33471.2013677430. The cubic root of 1120321321 is about 1038.5981238146.

Adding to 1120321321 its reverse (1231230211), we get a palindrome (2351551532).

The spelling of 1120321321 in words is "one billion, one hundred twenty million, three hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 7 160045903 1120321321