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1220005301 is a prime number
BaseRepresentation
bin100100010110111…
…1100110110110101
310011000122200122112
41020231330312311
54444310132201
6321020540405
742142605524
oct11055746665
93130580575
101220005301
11576730049
122a06b1705
131659aa138
14b805a4bb
157218d0bb
hex48b7cdb5

1220005301 has 2 divisors, whose sum is σ = 1220005302. Its totient is φ = 1220005300.

The previous prime is 1220005271. The next prime is 1220005309. The reversal of 1220005301 is 1035000221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707028100 + 512977201 = 26590^2 + 22649^2 .

It is an emirp because it is prime and its reverse (1035000221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220005301 - 230 = 146263477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220005309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610002650 + 610002651.

It is an arithmetic number, because the mean of its divisors is an integer number (610002651).

Almost surely, 21220005301 is an apocalyptic number.

It is an amenable number.

1220005301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220005301 is an equidigital number, since it uses as much as digits as its factorization.

1220005301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1220005301 is about 34928.5742766578. The cubic root of 1220005301 is about 1068.5312777631.

Adding to 1220005301 its reverse (1035000221), we get a palindrome (2255005522).

The spelling of 1220005301 in words is "one billion, two hundred twenty million, five thousand, three hundred one".