1002030149 has 2 divisors, whose sum is σ = 1002030150. Its totient is φ = 1002030148.

The previous prime is 1002030089. The next prime is 1002030187. The reversal of 1002030149 is 9410302001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 610979524 + 391050625 = 24718^2 + 19775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002030149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002030149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002030749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501015074 + 501015075.

It is an arithmetic number, because the mean of its divisors is an integer number (501015075).

Almost surely, 2^1002030149 is an apocalyptic number.

It is an amenable number.

1002030149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002030149 is an equidigital number, since it uses as much as digits as its factorization.

1002030149 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 1002030149 is about 31654.8598006688. The cubic root of 1002030149 is about 1000.6762589041.

The spelling of 1002030149 in words is "one billion, two million, thirty thousand, one hundred forty-nine".