1300086921 has 16 divisors (see below), whose sum is σ = 1985168384. Its totient is φ = 741375504.

The previous prime is 1300086899. The next prime is 1300086923. The reversal of 1300086921 is 1296800031.

It is not a de Polignac number, because 1300086921 - 2²⁷ = 1165869193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300086923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53335 + ... + 73788.

It is an arithmetic number, because the mean of its divisors is an integer number (124073024).

Almost surely, 2^1300086921 is an apocalyptic number.

It is an amenable number.

1300086921 is a deficient number, since it is larger than the sum of its proper divisors (685081463).

1300086921 is a wasteful number, since it uses less digits than its factorization.

1300086921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127620.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1300086921 is about 36056.7181118859. The cubic root of 1300086921 is about 1091.4172068679.

Adding to 1300086921 its reverse (1296800031), we get a palindrome (2596886952).

The spelling of 1300086921 in words is "one billion, three hundred million, eighty-six thousand, nine hundred twenty-one".