1299873064 has 32 divisors (see below), whose sum is σ = 2792649600. Its totient is φ = 555647040.

The previous prime is 1299872969. The next prime is 1299873077. The reversal of 1299873064 is 4603789921.

It is a junction number, because it is equal to n+sod(n) for n = 1299872999 and 1299873017.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8052 + ... + 51619.

It is an arithmetic number, because the mean of its divisors is an integer number (87270300).

Almost surely, 2^1299873064 is an apocalyptic number.

1299873064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1299873064 is an abundant number, since it is smaller than the sum of its proper divisors (1492776536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1299873064 is a wasteful number, since it uses less digits than its factorization.

1299873064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60073 (or 60069 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1299873064 is about 36053.7524260652. The cubic root of 1299873064 is about 1091.3573595851.

The spelling of 1299873064 in words is "one billion, two hundred ninety-nine million, eight hundred seventy-three thousand, sixty-four".