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115121453 is a prime number
BaseRepresentation
bin1101101110010…
…01110100101101
322000121202221112
412313021310231
5213432341303
615231241405
72565342026
oct667116455
9260552845
10115121453
1159a8a4a7
1232679265
131ab09505
1411409c4d
15a1900d8
hex6dc9d2d

115121453 has 2 divisors, whose sum is σ = 115121454. Its totient is φ = 115121452.

The previous prime is 115121431. The next prime is 115121473. The reversal of 115121453 is 354121511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109035364 + 6086089 = 10442^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 115121453 - 212 = 115117357 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115121473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57560726 + 57560727.

It is an arithmetic number, because the mean of its divisors is an integer number (57560727).

Almost surely, 2115121453 is an apocalyptic number.

It is an amenable number.

115121453 is a deficient number, since it is larger than the sum of its proper divisors (1).

115121453 is an equidigital number, since it uses as much as digits as its factorization.

115121453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 115121453 is about 10729.4665757436. The cubic root of 115121453 is about 486.4655468356.

Adding to 115121453 its reverse (354121511), we get a palindrome (469242964).

The spelling of 115121453 in words is "one hundred fifteen million, one hundred twenty-one thousand, four hundred fifty-three".