1213070803 has 6 divisors (see below), whose sum is σ = 1411123236. Its totient is φ = 1039774932.

The previous prime is 1213070797. The next prime is 1213070821. The reversal of 1213070803 is 3080703121.

It is not a de Polignac number, because 1213070803 - 2¹³ = 1213062611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213070843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12378225 + ... + 12378322.

It is an arithmetic number, because the mean of its divisors is an integer number (235187206).

Almost surely, 2^1213070803 is an apocalyptic number.

1213070803 is a deficient number, since it is larger than the sum of its proper divisors (198052433).

1213070803 is an equidigital number, since it uses as much as digits as its factorization.

1213070803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24756561 (or 24756554 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1213070803 is about 34829.1659819755. The cubic root of 1213070803 is about 1066.5029227925.

Adding to 1213070803 its reverse (3080703121), we get a palindrome (4293773924).

The spelling of 1213070803 in words is "one billion, two hundred thirteen million, seventy thousand, eight hundred three".