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1200340481 is a prime number
BaseRepresentation
bin100011110001011…
…1011111000000001
310002122122121120212
41013202323320001
54424241343411
6315035243505
741513503634
oct10742737001
93078577525
101200340481
1156661962a
12295ba9595
131618b3452
14b55bbc1b
15705a668b
hex478bbe01

1200340481 has 2 divisors, whose sum is σ = 1200340482. Its totient is φ = 1200340480.

The previous prime is 1200340391. The next prime is 1200340489. The reversal of 1200340481 is 1840430021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199929600 + 410881 = 34640^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200340481 - 210 = 1200339457 is a prime.

It is a super-2 number, since 2×12003404812 = 2881634540654622722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1200340489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600170240 + 600170241.

It is an arithmetic number, because the mean of its divisors is an integer number (600170241).

Almost surely, 21200340481 is an apocalyptic number.

It is an amenable number.

1200340481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200340481 is an equidigital number, since it uses as much as digits as its factorization.

1200340481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1200340481 is about 34645.9302227549. The cubic root of 1200340481 is about 1062.7590638598.

The spelling of 1200340481 in words is "one billion, two hundred million, three hundred forty thousand, four hundred eighty-one".