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1274622131 is a prime number
BaseRepresentation
bin100101111111001…
…0011000010110011
310021211102111212002
41023332103002303
510102300402011
6330251324215
743405052336
oct11376230263
93254374762
101274622131
115a4544522
122b6a5066b
131740c0aa3
14c13d661d
1576d7ac3b
hex4bf930b3

1274622131 has 2 divisors, whose sum is σ = 1274622132. Its totient is φ = 1274622130.

The previous prime is 1274622109. The next prime is 1274622143. The reversal of 1274622131 is 1312264721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1274622131 - 218 = 1274359987 is a prime.

It is a super-2 number, since 2×12746221312 = 3249323153669962322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1274622094 and 1274622103.

It is not a weakly prime, because it can be changed into another prime (1274622161) 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, 637311065 + 637311066.

It is an arithmetic number, because the mean of its divisors is an integer number (637311066).

Almost surely, 21274622131 is an apocalyptic number.

1274622131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274622131 is an equidigital number, since it uses as much as digits as its factorization.

1274622131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 1274622131 is about 35701.8505262682. The cubic root of 1274622131 is about 1084.2443097414.

Adding to 1274622131 its reverse (1312264721), we get a palindrome (2586886852).

The spelling of 1274622131 in words is "one billion, two hundred seventy-four million, six hundred twenty-two thousand, one hundred thirty-one".