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121453349 is a prime number
BaseRepresentation
bin1110011110100…
…11101100100101
322110112110200012
413033103230211
5222043001344
620015100005
73003223253
oct717235445
9273473605
10121453349
1162614776
1234811605
131c2155b4
14121b75d3
15a9e129e
hex73d3b25

121453349 has 2 divisors, whose sum is σ = 121453350. Its totient is φ = 121453348.

The previous prime is 121453337. The next prime is 121453361. The reversal of 121453349 is 943354121.

It is a balanced prime because it is at equal distance from previous prime (121453337) and next prime (121453361).

It can be written as a sum of positive squares in only one way, i.e., 103897249 + 17556100 = 10193^2 + 4190^2 .

It is an emirp because it is prime and its reverse (943354121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121453349 - 212 = 121449253 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 (121453309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60726674 + 60726675.

It is an arithmetic number, because the mean of its divisors is an integer number (60726675).

Almost surely, 2121453349 is an apocalyptic number.

It is an amenable number.

121453349 is a deficient number, since it is larger than the sum of its proper divisors (1).

121453349 is an equidigital number, since it uses as much as digits as its factorization.

121453349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 121453349 is about 11020.5875070252. The cubic root of 121453349 is about 495.2256890103.

The spelling of 121453349 in words is "one hundred twenty-one million, four hundred fifty-three thousand, three hundred forty-nine".