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1100000123 is a prime number
BaseRepresentation
bin100000110010000…
…1010101101111011
32211122211210111022
41001210022231323
54223100000443
6301052453055
736154563305
oct10144125573
92748753438
101100000123
11514a15412
1226847a18b
13146b80a61
14a613c975
1566885e68
hex4190ab7b

1100000123 has 2 divisors, whose sum is σ = 1100000124. Its totient is φ = 1100000122.

The previous prime is 1100000081. The next prime is 1100000149. The reversal of 1100000123 is 3210000011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100000123 - 26 = 1100000059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100000123.

It is not a weakly prime, because it can be changed into another prime (1100003123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000061 + 550000062.

It is an arithmetic number, because the mean of its divisors is an integer number (550000062).

Almost surely, 21100000123 is an apocalyptic number.

1100000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100000123 is an equidigital number, since it uses as much as digits as its factorization.

1100000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1100000123 is about 33166.2497578487. The cubic root of 1100000123 is about 1032.2801539323.

Adding to 1100000123 its reverse (3210000011), we get a palindrome (4310000134).

The spelling of 1100000123 in words is "one billion, one hundred million, one hundred twenty-three", and thus it is an aban number.