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129027253 is a prime number
BaseRepresentation
bin1111011000011…
…00110010110101
322222210021010011
413230030302311
5231012333003
620445300221
73124466515
oct754146265
9288707104
10129027253
11669180a3
1237264671
1320967ab4
14131c9845
15b4da46d
hex7b0ccb5

129027253 has 2 divisors, whose sum is σ = 129027254. Its totient is φ = 129027252.

The previous prime is 129027247. The next prime is 129027259. The reversal of 129027253 is 352720921.

It is a balanced prime because it is at equal distance from previous prime (129027247) and next prime (129027259).

It can be written as a sum of positive squares in only one way, i.e., 116791249 + 12236004 = 10807^2 + 3498^2 .

It is a cyclic number.

It is not a de Polignac number, because 129027253 - 25 = 129027221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129027259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64513626 + 64513627.

It is an arithmetic number, because the mean of its divisors is an integer number (64513627).

Almost surely, 2129027253 is an apocalyptic number.

It is an amenable number.

129027253 is a deficient number, since it is larger than the sum of its proper divisors (1).

129027253 is an equidigital number, since it uses as much as digits as its factorization.

129027253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 129027253 is about 11359.0163746691. The cubic root of 129027253 is about 505.3130144529.

The spelling of 129027253 in words is "one hundred twenty-nine million, twenty-seven thousand, two hundred fifty-three".