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121274471 is a prime number
BaseRepresentation
bin1110011101010…
…00000001100111
322110012101022002
413032220001213
5222021240341
620011155515
73001546613
oct716500147
9273171262
10121274471
116250233a
1234745b9b
131c182056
141216c343
15a9a829b
hex73a8067

121274471 has 2 divisors, whose sum is σ = 121274472. Its totient is φ = 121274470.

The previous prime is 121274453. The next prime is 121274497. The reversal of 121274471 is 174472121.

It is a weak prime.

It is an emirp because it is prime and its reverse (174472121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121274471 - 26 = 121274407 is a prime.

It is a super-3 number, since 3×1212744713 (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121274411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60637235 + 60637236.

It is an arithmetic number, because the mean of its divisors is an integer number (60637236).

Almost surely, 2121274471 is an apocalyptic number.

121274471 is a deficient number, since it is larger than the sum of its proper divisors (1).

121274471 is an equidigital number, since it uses as much as digits as its factorization.

121274471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 29.

The square root of 121274471 is about 11012.4688875837. The cubic root of 121274471 is about 494.9824447061.

The spelling of 121274471 in words is "one hundred twenty-one million, two hundred seventy-four thousand, four hundred seventy-one".