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1220601341 is a prime number
BaseRepresentation
bin100100011000000…
…1110010111111101
310011001202222021002
41020300032113331
54444433220331
6321041420045
742150640331
oct11060162775
93131688232
101220601341
11576aa7943
122a093a625
13165b5851b
14b81737c1
15722599cb
hex48c0e5fd

1220601341 has 2 divisors, whose sum is σ = 1220601342. Its totient is φ = 1220601340.

The previous prime is 1220601259. The next prime is 1220601383. The reversal of 1220601341 is 1431060221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009015225 + 211586116 = 31765^2 + 14546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220601341 - 214 = 1220584957 is a prime.

It is a super-3 number, since 3×12206013413 (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220601841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610300670 + 610300671.

It is an arithmetic number, because the mean of its divisors is an integer number (610300671).

Almost surely, 21220601341 is an apocalyptic number.

It is an amenable number.

1220601341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220601341 is an equidigital number, since it uses as much as digits as its factorization.

1220601341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1220601341 is about 34937.1055040340. The cubic root of 1220601341 is about 1068.7052616226.

Adding to 1220601341 its reverse (1431060221), we get a palindrome (2651661562).

The spelling of 1220601341 in words is "one billion, two hundred twenty million, six hundred one thousand, three hundred forty-one".