1121746123 has 2 divisors, whose sum is σ = 1121746124. Its totient is φ = 1121746122.

The previous prime is 1121746069. The next prime is 1121746159. The reversal of 1121746123 is 3216471211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121746123 - 2²⁵ = 1088191691 is a prime.

It is a super-2 number, since 2×1121746123² = 2516628728931062258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121746091 and 1121746100.

It is not a weakly prime, because it can be changed into another prime (1121746523) 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, 560873061 + 560873062.

It is an arithmetic number, because the mean of its divisors is an integer number (560873062).

Almost surely, 2^1121746123 is an apocalyptic number.

1121746123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121746123 is an equidigital number, since it uses as much as digits as its factorization.

1121746123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 1121746123 is about 33492.4786034118. The cubic root of 1121746123 is about 1039.0382266595.

The spelling of 1121746123 in words is "one billion, one hundred twenty-one million, seven hundred forty-six thousand, one hundred twenty-three".