1201001029 has 2 divisors, whose sum is σ = 1201001030. Its totient is φ = 1201001028.

The previous prime is 1201001017. The next prime is 1201001083. The reversal of 1201001029 is 9201001021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1178892225 + 22108804 = 34335^2 + 4702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201001029 - 2⁷ = 1201000901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201001129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600500514 + 600500515.

It is an arithmetic number, because the mean of its divisors is an integer number (600500515).

Almost surely, 2^1201001029 is an apocalyptic number.

It is an amenable number.

1201001029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201001029 is an equidigital number, since it uses as much as digits as its factorization.

1201001029 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 16.

The square root of 1201001029 is about 34655.4617484748. The cubic root of 1201001029 is about 1062.9539737357.

The spelling of 1201001029 in words is "one billion, two hundred one million, one thousand, twenty-nine".