1002660149 has 2 divisors, whose sum is σ = 1002660150. Its totient is φ = 1002660148.

The previous prime is 1002660097. The next prime is 1002660157. The reversal of 1002660149 is 9410662001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 961930225 + 40729924 = 31015^2 + 6382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002660149 - 2⁸ = 1002659893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002660199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501330074 + 501330075.

It is an arithmetic number, because the mean of its divisors is an integer number (501330075).

Almost surely, 2^1002660149 is an apocalyptic number.

It is an amenable number.

1002660149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002660149 is an equidigital number, since it uses as much as digits as its factorization.

1002660149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1002660149 is about 31664.8093157057. The cubic root of 1002660149 is about 1000.8859312274.

The spelling of 1002660149 in words is "one billion, two million, six hundred sixty thousand, one hundred forty-nine".