1125680020229 has 2 divisors, whose sum is σ = 1125680020230. Its totient is φ = 1125680020228.

The previous prime is 1125680020193. The next prime is 1125680020261. The reversal of 1125680020229 is 9220200865211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119427480900 + 6252539329 = 1058030^2 + 79073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125680020229 - 2⁸ = 1125680019973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125680020192 and 1125680020201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125689020229) 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, 562840010114 + 562840010115.

It is an arithmetic number, because the mean of its divisors is an integer number (562840010115).

Almost surely, 2^{1125680020229} is an apocalyptic number.

It is an amenable number.

1125680020229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125680020229 is an equidigital number, since it uses as much as digits as its factorization.

1125680020229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 1125680020229 in words is "one trillion, one hundred twenty-five billion, six hundred eighty million, twenty thousand, two hundred twenty-nine".