1346355121 has 2 divisors, whose sum is σ = 1346355122. Its totient is φ = 1346355120.

The previous prime is 1346355119. The next prime is 1346355191. The reversal of 1346355121 is 1215536431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781817521 + 564537600 = 27961^2 + 23760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346355121 - 2¹ = 1346355119 is a prime.

It is a super-2 number, since 2×1346355121² = 3625344223685849282, which contains 22 as substring.

Together with 1346355119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1346355191) 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 as a sum of consecutive naturals, namely, 673177560 + 673177561.

It is an arithmetic number, because the mean of its divisors is an integer number (673177561).

Almost surely, 2^1346355121 is an apocalyptic number.

It is an amenable number.

1346355121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346355121 is an equidigital number, since it uses as much as digits as its factorization.

1346355121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 1346355121 is about 36692.7120965458. The cubic root of 1346355121 is about 1104.2138976020.

The spelling of 1346355121 in words is "one billion, three hundred forty-six million, three hundred fifty-five thousand, one hundred twenty-one".