1280300087 has 4 divisors (see below), whose sum is σ = 1396691016. Its totient is φ = 1163909160.

The previous prime is 1280300051. The next prime is 1280300089. The reversal of 1280300087 is 7800030821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7800030821 = 11 ⋅709093711.

It is a cyclic number.

It is not a de Polignac number, because 1280300087 - 2⁶ = 1280300023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280300089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58195448 + ... + 58195469.

It is an arithmetic number, because the mean of its divisors is an integer number (349172754).

Almost surely, 2^1280300087 is an apocalyptic number.

1280300087 is a deficient number, since it is larger than the sum of its proper divisors (116390929).

1280300087 is a wasteful number, since it uses less digits than its factorization.

1280300087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116390928.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1280300087 is about 35781.2812375409. The cubic root of 1280300087 is about 1085.8518901579.

The spelling of 1280300087 in words is "one billion, two hundred eighty million, three hundred thousand, eighty-seven".