1001223029 has 2 divisors, whose sum is σ = 1001223030. Its totient is φ = 1001223028.

The previous prime is 1001223023. The next prime is 1001223079. The reversal of 1001223029 is 9203221001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900120004 + 101103025 = 30002^2 + 10055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001223029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001223029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001223023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500611514 + 500611515.

It is an arithmetic number, because the mean of its divisors is an integer number (500611515).

Almost surely, 2^1001223029 is an apocalyptic number.

It is an amenable number.

1001223029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001223029 is an equidigital number, since it uses as much as digits as its factorization.

1001223029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1001223029 is about 31642.1084790505. The cubic root of 1001223029 is about 1000.4075102462.

The spelling of 1001223029 in words is "one billion, one million, two hundred twenty-three thousand, twenty-nine".