2942126987 has 2 divisors, whose sum is σ = 2942126988. Its totient is φ = 2942126986.

The previous prime is 2942126911. The next prime is 2942126989. The reversal of 2942126987 is 7896212492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2942126987 - 2⁸ = 2942126731 is a prime.

It is a super-2 number, since 2×2942126987² = 17312222415267396338, which contains 22 as substring.

Together with 2942126989, 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 (2942126989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471063493 + 1471063494.

It is an arithmetic number, because the mean of its divisors is an integer number (1471063494).

Almost surely, 2^2942126987 is an apocalyptic number.

2942126987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942126987 is an equidigital number, since it uses as much as digits as its factorization.

2942126987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 2942126987 is about 54241.3770750707. The cubic root of 2942126987 is about 1432.9151393948.

The spelling of 2942126987 in words is "two billion, nine hundred forty-two million, one hundred twenty-six thousand, nine hundred eighty-seven".