1125122039 has 2 divisors, whose sum is σ = 1125122040. Its totient is φ = 1125122038.

The previous prime is 1125122023. The next prime is 1125122059. The reversal of 1125122039 is 9302215211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125122039 - 2⁴ = 1125122023 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125121999 and 1125122017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125122059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562561019 + 562561020.

It is an arithmetic number, because the mean of its divisors is an integer number (562561020).

Almost surely, 2^1125122039 is an apocalyptic number.

1125122039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125122039 is an equidigital number, since it uses as much as digits as its factorization.

1125122039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1125122039 is about 33542.8388631612. The cubic root of 1125122039 is about 1040.0795177735.

The spelling of 1125122039 in words is "one billion, one hundred twenty-five million, one hundred twenty-two thousand, thirty-nine".