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121008053 is a prime number
BaseRepresentation
bin1110011011001…
…10111110110101
322102200211211202
413031212332311
5221434224203
620001342245
72666360105
oct715467665
9272624752
10121008053
1162340161
1234637985
131c0ba9ca
14120dd205
15a954388
hex7366fb5

121008053 has 2 divisors, whose sum is σ = 121008054. Its totient is φ = 121008052.

The previous prime is 121008031. The next prime is 121008061. The reversal of 121008053 is 350800121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62378404 + 58629649 = 7898^2 + 7657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121008053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121008073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60504026 + 60504027.

It is an arithmetic number, because the mean of its divisors is an integer number (60504027).

Almost surely, 2121008053 is an apocalyptic number.

It is an amenable number.

121008053 is a deficient number, since it is larger than the sum of its proper divisors (1).

121008053 is an equidigital number, since it uses as much as digits as its factorization.

121008053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 121008053 is about 11000.3660393643. The cubic root of 121008053 is about 494.6197167653.

Adding to 121008053 its reverse (350800121), we get a palindrome (471808174).

The spelling of 121008053 in words is "one hundred twenty-one million, eight thousand, fifty-three".