1355041123 has 2 divisors, whose sum is σ = 1355041124. Its totient is φ = 1355041122.

The previous prime is 1355041097. The next prime is 1355041133. The reversal of 1355041123 is 3211405531.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3211405531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1355041123 - 2²¹ = 1352943971 is a prime.

It is a super-2 number, since 2×1355041123² = 3672272890042202258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1355041133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677520561 + 677520562.

It is an arithmetic number, because the mean of its divisors is an integer number (677520562).

Almost surely, 2^1355041123 is an apocalyptic number.

1355041123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355041123 is an equidigital number, since it uses as much as digits as its factorization.

1355041123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1355041123 is about 36810.8832140714. The cubic root of 1355041123 is about 1106.5834190154.

Adding to 1355041123 its reverse (3211405531), we get a palindrome (4566446654).

The spelling of 1355041123 in words is "one billion, three hundred fifty-five million, forty-one thousand, one hundred twenty-three".