1335121019 has 2 divisors, whose sum is σ = 1335121020. Its totient is φ = 1335121018.

The previous prime is 1335121003. The next prime is 1335121031. The reversal of 1335121019 is 9101215331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1335121019 - 2⁴ = 1335121003 is a prime.

It is a super-2 number, since 2×1335121019² = 3565096270751196722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1335121519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667560509 + 667560510.

It is an arithmetic number, because the mean of its divisors is an integer number (667560510).

Almost surely, 2^1335121019 is an apocalyptic number.

1335121019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335121019 is an equidigital number, since it uses as much as digits as its factorization.

1335121019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 1335121019 is about 36539.3078615345. The cubic root of 1335121019 is about 1101.1340972888.

The spelling of 1335121019 in words is "one billion, three hundred thirty-five million, one hundred twenty-one thousand, nineteen".