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BaseRepresentation
bin1001000100110…
…00100000010011
312022020101221012
410202120200103
5123441402011
611315321135
71613012261
oct442304023
9168211835
1076122131
1139a72758
12215b01ab
1312a032a7
14a177431
156a39a8b
hex4898813

76122131 has 2 divisors, whose sum is σ = 76122132. Its totient is φ = 76122130.

The previous prime is 76122121. The next prime is 76122139. The reversal of 76122131 is 13122167.

Adding to 76122131 its reverse (13122167), we get a palindrome (89244298).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76122131 - 214 = 76105747 is a prime.

It is a super-2 number, since 2×761221312 = 11589157655962322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76122097 and 76122106.

It is not a weakly prime, because it can be changed into another prime (76122139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38061065 + 38061066.

It is an arithmetic number, because the mean of its divisors is an integer number (38061066).

Almost surely, 276122131 is an apocalyptic number.

76122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

76122131 is an equidigital number, since it uses as much as digits as its factorization.

76122131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 76122131 is about 8724.7997684761. The cubic root of 76122131 is about 423.8091340858.

The spelling of 76122131 in words is "seventy-six million, one hundred twenty-two thousand, one hundred thirty-one".