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121132073 is a prime number
BaseRepresentation
bin1110011100001…
…01010000101001
322102221010222002
413032011100221
5222002211243
620004140345
73000414506
oct716052051
9272833862
10121132073
1162415357
12346976b5
131c1322aa
14121324ad
15a97aeb8
hex7385429

121132073 has 2 divisors, whose sum is σ = 121132074. Its totient is φ = 121132072.

The previous prime is 121132061. The next prime is 121132079. The reversal of 121132073 is 370231121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90573289 + 30558784 = 9517^2 + 5528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121132073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (121132079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60566036 + 60566037.

It is an arithmetic number, because the mean of its divisors is an integer number (60566037).

Almost surely, 2121132073 is an apocalyptic number.

It is an amenable number.

121132073 is a deficient number, since it is larger than the sum of its proper divisors (1).

121132073 is an equidigital number, since it uses as much as digits as its factorization.

121132073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 121132073 is about 11006.0016809012. The cubic root of 121132073 is about 494.7886360814.

Adding to 121132073 its reverse (370231121), we get a palindrome (491363194).

The spelling of 121132073 in words is "one hundred twenty-one million, one hundred thirty-two thousand, seventy-three".