1348820959 has 4 divisors (see below), whose sum is σ = 1370932840. Its totient is φ = 1326709080.

The previous prime is 1348820951. The next prime is 1348820971. The reversal of 1348820959 is 9590288431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9590288431 = 16993 ⋅564367.

It is a cyclic number.

It is not a de Polignac number, because 1348820959 - 2³ = 1348820951 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 (1348820951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055849 + ... + 11055970.

It is an arithmetic number, because the mean of its divisors is an integer number (342733210).

Almost surely, 2^1348820959 is an apocalyptic number.

1348820959 is a deficient number, since it is larger than the sum of its proper divisors (22111881).

1348820959 is an equidigital number, since it uses as much as digits as its factorization.

1348820959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22111880.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 1348820959 is about 36726.2979212444. The cubic root of 1348820959 is about 1104.8876059390.

The spelling of 1348820959 in words is "one billion, three hundred forty-eight million, eight hundred twenty thousand, nine hundred fifty-nine".