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1244132507 is a prime number
BaseRepresentation
bin100101000100111…
…1111010010011011
310012201001110221202
41022021333102123
510021444220012
6323242024415
742554644322
oct11211772233
93181043852
101244132507
1158930a192
122a87a810b
1316a9a6ca7
14bb33b0b9
1574356cc2
hex4a27f49b

1244132507 has 2 divisors, whose sum is σ = 1244132508. Its totient is φ = 1244132506.

The previous prime is 1244132501. The next prime is 1244132531. The reversal of 1244132507 is 7052314421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244132507 - 28 = 1244132251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244132507.

It is not a weakly prime, because it can be changed into another prime (1244132501) 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, 622066253 + 622066254.

It is an arithmetic number, because the mean of its divisors is an integer number (622066254).

Almost surely, 21244132507 is an apocalyptic number.

1244132507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244132507 is an equidigital number, since it uses as much as digits as its factorization.

1244132507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1244132507 is about 35272.2625727355. The cubic root of 1244132507 is about 1075.5292168378.

Adding to 1244132507 its reverse (7052314421), we get a palindrome (8296446928).

The spelling of 1244132507 in words is "one billion, two hundred forty-four million, one hundred thirty-two thousand, five hundred seven".