1200201029 has 2 divisors, whose sum is σ = 1200201030. Its totient is φ = 1200201028.

The previous prime is 1200201007. The next prime is 1200201043. The reversal of 1200201029 is 9201020021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119237025 + 80964004 = 33455^2 + 8998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200201029 - 2⁸ = 1200200773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200200998 and 1200201016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200201049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600100514 + 600100515.

It is an arithmetic number, because the mean of its divisors is an integer number (600100515).

Almost surely, 2^1200201029 is an apocalyptic number.

It is an amenable number.

1200201029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200201029 is an equidigital number, since it uses as much as digits as its factorization.

1200201029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1200201029 is about 34643.9176335472. The cubic root of 1200201029 is about 1062.7179061997.

The spelling of 1200201029 in words is "one billion, two hundred million, two hundred one thousand, twenty-nine".