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1298130937 is a prime number
BaseRepresentation
bin100110101011111…
…1110011111111001
310100110122212212121
41031113332133321
510124310142222
6332451241241
744111634205
oct11527763771
93313585777
101298130937
11606840a94
123028a9221
13178c3231c
14c4595b05
1578e715c7
hex4d5fe7f9

1298130937 has 2 divisors, whose sum is σ = 1298130938. Its totient is φ = 1298130936.

The previous prime is 1298130887. The next prime is 1298130943. The reversal of 1298130937 is 7390318921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812193001 + 485937936 = 28499^2 + 22044^2 .

It is a cyclic number.

It is not a de Polignac number, because 1298130937 - 211 = 1298128889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1298130893 and 1298130902.

It is not a weakly prime, because it can be changed into another prime (1298130947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649065468 + 649065469.

It is an arithmetic number, because the mean of its divisors is an integer number (649065469).

Almost surely, 21298130937 is an apocalyptic number.

It is an amenable number.

1298130937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1298130937 is an equidigital number, since it uses as much as digits as its factorization.

1298130937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1298130937 is about 36029.5841913281. The cubic root of 1298130937 is about 1090.8695855111.

The spelling of 1298130937 in words is "one billion, two hundred ninety-eight million, one hundred thirty thousand, nine hundred thirty-seven".