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121332487 is a prime number
BaseRepresentation
bin1110011101101…
…10001100000111
322110022022212211
413032312030013
5222030114422
620012324251
73002211013
oct716661407
9273268784
10121332487
1162541991
1234773687
131c1a2593
1412185543
15a9ba577
hex73b6307

121332487 has 2 divisors, whose sum is σ = 121332488. Its totient is φ = 121332486.

The previous prime is 121332457. The next prime is 121332503. The reversal of 121332487 is 784233121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121332487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121332437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666243 + 60666244.

It is an arithmetic number, because the mean of its divisors is an integer number (60666244).

Almost surely, 2121332487 is an apocalyptic number.

121332487 is a deficient number, since it is larger than the sum of its proper divisors (1).

121332487 is an equidigital number, since it uses as much as digits as its factorization.

121332487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 121332487 is about 11015.1026776876. The cubic root of 121332487 is about 495.0613630012.

The spelling of 121332487 in words is "one hundred twenty-one million, three hundred thirty-two thousand, four hundred eighty-seven".