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1120220009 is a prime number
BaseRepresentation
bin100001011000101…
…0011001101101001
32220001220001221222
41002301103031221
54243234020014
6303054111425
736521466356
oct10261231551
92801801858
101120220009
11525375967
122731ab575
1314b11029c
14a8ac362d
156852c08e
hex42c53369

1120220009 has 2 divisors, whose sum is σ = 1120220010. Its totient is φ = 1120220008.

The previous prime is 1120219973. The next prime is 1120220011. The reversal of 1120220009 is 9000220211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1047493225 + 72726784 = 32365^2 + 8528^2 .

It is an emirp because it is prime and its reverse (9000220211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120220009 - 216 = 1120154473 is a prime.

It is a Sophie Germain prime.

Together with 1120220011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1120220039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560110004 + 560110005.

It is an arithmetic number, because the mean of its divisors is an integer number (560110005).

Almost surely, 21120220009 is an apocalyptic number.

It is an amenable number.

1120220009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120220009 is an equidigital number, since it uses as much as digits as its factorization.

1120220009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1120220009 is about 33469.6879130953. The cubic root of 1120220009 is about 1038.5668156464.

The spelling of 1120220009 in words is "one billion, one hundred twenty million, two hundred twenty thousand, nine".