1002331129 has 2 divisors, whose sum is σ = 1002331130. Its totient is φ = 1002331128.

The previous prime is 1002331123. The next prime is 1002331151. The reversal of 1002331129 is 9211332001.

It is an a-pointer prime, because the next prime (1002331151) can be obtained adding 1002331129 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946977529 + 55353600 = 30773^2 + 7440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002331129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002331123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501165564 + 501165565.

It is an arithmetic number, because the mean of its divisors is an integer number (501165565).

Almost surely, 2^1002331129 is an apocalyptic number.

It is an amenable number.

1002331129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002331129 is an equidigital number, since it uses as much as digits as its factorization.

1002331129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1002331129 is about 31659.6135320695. The cubic root of 1002331129 is about 1000.7764399849.

The spelling of 1002331129 in words is "one billion, two million, three hundred thirty-one thousand, one hundred twenty-nine".