1134121123 has 2 divisors, whose sum is σ = 1134121124. Its totient is φ = 1134121122.

The previous prime is 1134121117. The next prime is 1134121133. The reversal of 1134121123 is 3211214311.

It is a weak prime.

It is an emirp because it is prime and its reverse (3211214311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1134121123 - 2⁵ = 1134121091 is a prime.

It is a super-2 number, since 2×1134121123² = 2572461443269562258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1134121123.

It is not a weakly prime, because it can be changed into another prime (1134121133) 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 as a sum of consecutive naturals, namely, 567060561 + 567060562.

It is an arithmetic number, because the mean of its divisors is an integer number (567060562).

Almost surely, 2^1134121123 is an apocalyptic number.

1134121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134121123 is an equidigital number, since it uses as much as digits as its factorization.

1134121123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 1134121123 is about 33676.7148486903. The cubic root of 1134121123 is about 1042.8451197257.

Adding to 1134121123 its reverse (3211214311), we get a palindrome (4345335434).

The spelling of 1134121123 in words is "one billion, one hundred thirty-four million, one hundred twenty-one thousand, one hundred twenty-three".