1125122023 has 2 divisors, whose sum is σ = 1125122024. Its totient is φ = 1125122022.

The previous prime is 1125121997. The next prime is 1125122039. The reversal of 1125122023 is 3202215211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125122023 is a prime.

It is a super-2 number, since 2×1125122023² = 2531799133279225058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125122093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562561011 + 562561012.

It is an arithmetic number, because the mean of its divisors is an integer number (562561012).

Almost surely, 2^1125122023 is an apocalyptic number.

1125122023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125122023 is an equidigital number, since it uses as much as digits as its factorization.

1125122023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1125122023 is about 33542.8386246603. The cubic root of 1125122023 is about 1040.0795128433.

Adding to 1125122023 its reverse (3202215211), we get a palindrome (4327337234).

The spelling of 1125122023 in words is "one billion, one hundred twenty-five million, one hundred twenty-two thousand, twenty-three".