1042002851 has 2 divisors, whose sum is σ = 1042002852. Its totient is φ = 1042002850.

The previous prime is 1042002847. The next prime is 1042002853. The reversal of 1042002851 is 1582002401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042002851 - 2² = 1042002847 is a prime.

Together with 1042002853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1042002853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521001425 + 521001426.

It is an arithmetic number, because the mean of its divisors is an integer number (521001426).

Almost surely, 2^1042002851 is an apocalyptic number.

1042002851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042002851 is an equidigital number, since it uses as much as digits as its factorization.

1042002851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1042002851 is about 32280.0689435447. The cubic root of 1042002851 is about 1013.8093737204.

The spelling of 1042002851 in words is "one billion, forty-two million, two thousand, eight hundred fifty-one".