1300072811 has 8 divisors (see below), whose sum is σ = 1341100560. Its totient is φ = 1259355168.

The previous prime is 1300072801. The next prime is 1300072817. The reversal of 1300072811 is 1182700031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300072811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300072817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68996 + ... + 85793.

It is an arithmetic number, because the mean of its divisors is an integer number (167637570).

Almost surely, 2^1300072811 is an apocalyptic number.

1300072811 is a deficient number, since it is larger than the sum of its proper divisors (41027749).

1300072811 is a wasteful number, since it uses less digits than its factorization.

1300072811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155053.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1300072811 is about 36056.5224474019. The cubic root of 1300072811 is about 1091.4132584262.

Adding to 1300072811 its reverse (1182700031), we get a palindrome (2482772842).

The spelling of 1300072811 in words is "one billion, three hundred million, seventy-two thousand, eight hundred eleven".