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1000110997 is a prime number
BaseRepresentation
bin111011100111000…
…111101110010101
32120200212220101001
4323213013232111
54022012022442
6243123503301
733532542334
oct7347075625
92520786331
101000110997
1147359a216
1223ab27b31
1312c278872
1496b79d1b
155cc042b7
hex3b9c7b95

1000110997 has 2 divisors, whose sum is σ = 1000110998. Its totient is φ = 1000110996.

The previous prime is 1000110971. The next prime is 1000111027. The reversal of 1000110997 is 7990110001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 741255076 + 258855921 = 27226^2 + 16089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000110997 - 27 = 1000110869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000110967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500055498 + 500055499.

It is an arithmetic number, because the mean of its divisors is an integer number (500055499).

Almost surely, 21000110997 is an apocalyptic number.

It is an amenable number.

1000110997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000110997 is an equidigital number, since it uses as much as digits as its factorization.

1000110997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 1000110997 is about 31624.5315696533. The cubic root of 1000110997 is about 1000.0369976312.

Adding to 1000110997 its reverse (7990110001), we get a palindrome (8990220998).

The spelling of 1000110997 in words is "one billion, one hundred ten thousand, nine hundred ninety-seven".