130042487 has 2 divisors, whose sum is σ = 130042488. Its totient is φ = 130042486.

The previous prime is 130042463. The next prime is 130042499. The reversal of 130042487 is 784240031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130042487 - 2²⁰ = 128993911 is a prime.

It is a super-3 number, since 3×130042487³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130042417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65021243 + 65021244.

It is an arithmetic number, because the mean of its divisors is an integer number (65021244).

Almost surely, 2^130042487 is an apocalyptic number.

130042487 is a deficient number, since it is larger than the sum of its proper divisors (1).

130042487 is an equidigital number, since it uses as much as digits as its factorization.

130042487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 130042487 is about 11403.6172769872. The cubic root of 130042487 is about 506.6348832113.

The spelling of 130042487 in words is "one hundred thirty million, forty-two thousand, four hundred eighty-seven".