1002130279 has 2 divisors, whose sum is σ = 1002130280. Its totient is φ = 1002130278.

The previous prime is 1002130277. The next prime is 1002130313. The reversal of 1002130279 is 9720312001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002130279 - 2¹ = 1002130277 is a prime.

Together with 1002130277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002130277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501065139 + 501065140.

It is an arithmetic number, because the mean of its divisors is an integer number (501065140).

Almost surely, 2^1002130279 is an apocalyptic number.

1002130279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002130279 is an equidigital number, since it uses as much as digits as its factorization.

1002130279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1002130279 is about 31656.4413508531. The cubic root of 1002130279 is about 1000.7095893638.

The spelling of 1002130279 in words is "one billion, two million, one hundred thirty thousand, two hundred seventy-nine".