1352020111 has 6 divisors (see below), whose sum is σ = 1464021960. Its totient is φ = 1248018408.

The previous prime is 1352020099. The next prime is 1352020121. The reversal of 1352020111 is 1110202531.

It is not a de Polignac number, because 1352020111 - 2¹³ = 1352011919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3999891 + ... + 4000228.

It is an arithmetic number, because the mean of its divisors is an integer number (244003660).

Almost surely, 2^1352020111 is an apocalyptic number.

1352020111 is a deficient number, since it is larger than the sum of its proper divisors (112001849).

1352020111 is an equidigital number, since it uses as much as digits as its factorization.

1352020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000145 (or 8000132 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1352020111 is about 36769.8260942311. The cubic root of 1352020111 is about 1105.7604454103.

Adding to 1352020111 its reverse (1110202531), we get a palindrome (2462222642).

The spelling of 1352020111 in words is "one billion, three hundred fifty-two million, twenty thousand, one hundred eleven".