1200002029 has 2 divisors, whose sum is σ = 1200002030. Its totient is φ = 1200002028.

The previous prime is 1200002017. The next prime is 1200002053. The reversal of 1200002029 is 9202000021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 788317929 + 411684100 = 28077^2 + 20290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200002029 - 2²³ = 1191613421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200002059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600001014 + 600001015.

It is an arithmetic number, because the mean of its divisors is an integer number (600001015).

Almost surely, 2^1200002029 is an apocalyptic number.

It is an amenable number.

1200002029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200002029 is an equidigital number, since it uses as much as digits as its factorization.

1200002029 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 16.

The square root of 1200002029 is about 34641.0454374576. The cubic root of 1200002029 is about 1062.6591681085.

The spelling of 1200002029 in words is "one billion, two hundred million, two thousand, twenty-nine".