2130120287 has 2 divisors, whose sum is σ = 2130120288. Its totient is φ = 2130120286.

The previous prime is 2130120277. The next prime is 2130120313. The reversal of 2130120287 is 7820210312.

It is an a-pointer prime, because the next prime (2130120313) can be obtained adding 2130120287 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130120287 - 2⁴ = 2130120271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130120277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065060143 + 1065060144.

It is an arithmetic number, because the mean of its divisors is an integer number (1065060144).

Almost surely, 2^2130120287 is an apocalyptic number.

2130120287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130120287 is an equidigital number, since it uses as much as digits as its factorization.

2130120287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2130120287 is about 46153.2261819258. The cubic root of 2130120287 is about 1286.6725709666.

Adding to 2130120287 its reverse (7820210312), we get a palindrome (9950330599).

The spelling of 2130120287 in words is "two billion, one hundred thirty million, one hundred twenty thousand, two hundred eighty-seven".