1345202011 has 4 divisors (see below), whose sum is σ = 1346144800. Its totient is φ = 1344259224.

The previous prime is 1345202009. The next prime is 1345202017. The reversal of 1345202011 is 1102025431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1345202011 - 2¹ = 1345202009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345202011.

It is not an unprimeable number, because it can be changed into a prime (1345202017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469251 + ... + 472108.

It is an arithmetic number, because the mean of its divisors is an integer number (336536200).

Almost surely, 2^1345202011 is an apocalyptic number.

1345202011 is a deficient number, since it is larger than the sum of its proper divisors (942789).

1345202011 is an equidigital number, since it uses as much as digits as its factorization.

1345202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942788.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1345202011 is about 36676.9956648578. The cubic root of 1345202011 is about 1103.8985662929.

Adding to 1345202011 its reverse (1102025431), we get a palindrome (2447227442).

The spelling of 1345202011 in words is "one billion, three hundred forty-five million, two hundred two thousand, eleven".