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1227125041 is a prime number
BaseRepresentation
bin100100100100100…
…0111000100110001
310011112001102002121
41021021013010301
510003121000131
6321433314241
742260251012
oct11111070461
93145042077
101227125041
1157a75322a
122a2b65981
131673009bc
14b8d91009
1572ae7911
hex49247131

1227125041 has 2 divisors, whose sum is σ = 1227125042. Its totient is φ = 1227125040.

The previous prime is 1227124967. The next prime is 1227125047. The reversal of 1227125041 is 1405217221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1217730816 + 9394225 = 34896^2 + 3065^2 .

It is an emirp because it is prime and its reverse (1405217221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1227125041 - 211 = 1227122993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1227124997 and 1227125015.

It is not a weakly prime, because it can be changed into another prime (1227125047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613562520 + 613562521.

It is an arithmetic number, because the mean of its divisors is an integer number (613562521).

Almost surely, 21227125041 is an apocalyptic number.

It is an amenable number.

1227125041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227125041 is an equidigital number, since it uses as much as digits as its factorization.

1227125041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1227125041 is about 35030.3445743829. The cubic root of 1227125041 is about 1070.6058353250.

The spelling of 1227125041 in words is "one billion, two hundred twenty-seven million, one hundred twenty-five thousand, forty-one".