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1260254291 is a prime number
BaseRepresentation
bin100101100011101…
…1111010001010011
310020211101112212212
41023013133101103
510040111114131
6325015342335
743141661522
oct11307372123
93224345785
101260254291
1159742077a
122b20819ab
131711300ca
14bd5364b9
157598da2b
hex4b1df453

1260254291 has 2 divisors, whose sum is σ = 1260254292. Its totient is φ = 1260254290.

The previous prime is 1260254273. The next prime is 1260254297. The reversal of 1260254291 is 1924520621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1260254291 - 26 = 1260254227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1260254297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630127145 + 630127146.

It is an arithmetic number, because the mean of its divisors is an integer number (630127146).

Almost surely, 21260254291 is an apocalyptic number.

1260254291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260254291 is an equidigital number, since it uses as much as digits as its factorization.

1260254291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1260254291 is about 35500.0604365683. The cubic root of 1260254291 is about 1080.1549534757.

The spelling of 1260254291 in words is "one billion, two hundred sixty million, two hundred fifty-four thousand, two hundred ninety-one".