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121367693 is a prime number
BaseRepresentation
bin1110011101111…
…10110010001101
322110101010011202
413032332302031
5222032231233
620013155245
73002415446
oct716766215
9273333152
10121367693
1162566387
123478bb25
131c1b5605
14121942cd
15a9c5be8
hex73bec8d

121367693 has 2 divisors, whose sum is σ = 121367694. Its totient is φ = 121367692.

The previous prime is 121367671. The next prime is 121367707. The reversal of 121367693 is 396763121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98346889 + 23020804 = 9917^2 + 4798^2 .

It is a cyclic number.

It is not a de Polignac number, because 121367693 - 210 = 121366669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121367633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60683846 + 60683847.

It is an arithmetic number, because the mean of its divisors is an integer number (60683847).

Almost surely, 2121367693 is an apocalyptic number.

It is an amenable number.

121367693 is a deficient number, since it is larger than the sum of its proper divisors (1).

121367693 is an equidigital number, since it uses as much as digits as its factorization.

121367693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 121367693 is about 11016.7006403914. The cubic root of 121367693 is about 495.1092409310.

The spelling of 121367693 in words is "one hundred twenty-one million, three hundred sixty-seven thousand, six hundred ninety-three".