1110020129 has 2 divisors, whose sum is σ = 1110020130. Its totient is φ = 1110020128.

The previous prime is 1110020099. The next prime is 1110020173. The reversal of 1110020129 is 9210200111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657819904 + 452200225 = 25648^2 + 21265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110020129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110020629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555010064 + 555010065.

It is an arithmetic number, because the mean of its divisors is an integer number (555010065).

Almost surely, 2^1110020129 is an apocalyptic number.

It is an amenable number.

1110020129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110020129 is an equidigital number, since it uses as much as digits as its factorization.

1110020129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1110020129 is about 33316.9645826267. The cubic root of 1110020129 is about 1035.4050641321.

The spelling of 1110020129 in words is "one billion, one hundred ten million, twenty thousand, one hundred twenty-nine".