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121373471 is a prime number
BaseRepresentation
bin1110011110000…
…00001100011111
322110101102002202
413033000030133
5222032422341
620013242115
73002441342
oct717001437
9273342082
10121373471
116256a75a
123479333b
131c1b812b
1412196459
15a9c779b
hex73c031f

121373471 has 2 divisors, whose sum is σ = 121373472. Its totient is φ = 121373470.

The previous prime is 121373423. The next prime is 121373491. The reversal of 121373471 is 174373121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121373471 - 214 = 121357087 is a prime.

It is a super-3 number, since 3×1213734713 (a number of 25 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121373491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60686735 + 60686736.

It is an arithmetic number, because the mean of its divisors is an integer number (60686736).

Almost surely, 2121373471 is an apocalyptic number.

121373471 is a deficient number, since it is larger than the sum of its proper divisors (1).

121373471 is an equidigital number, since it uses as much as digits as its factorization.

121373471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 29.

The square root of 121373471 is about 11016.9628754934. The cubic root of 121373471 is about 495.1170977604.

The spelling of 121373471 in words is "one hundred twenty-one million, three hundred seventy-three thousand, four hundred seventy-one".