1125520027 has 2 divisors, whose sum is σ = 1125520028. Its totient is φ = 1125520026.

The previous prime is 1125520001. The next prime is 1125520051. The reversal of 1125520027 is 7200255211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125520027 - 2¹¹ = 1125517979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125519983 and 1125520010.

It is not a weakly prime, because it can be changed into another prime (1125524027) 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, 562760013 + 562760014.

It is an arithmetic number, because the mean of its divisors is an integer number (562760014).

Almost surely, 2^1125520027 is an apocalyptic number.

1125520027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125520027 is an equidigital number, since it uses as much as digits as its factorization.

1125520027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1125520027 is about 33548.7708716728. The cubic root of 1125520027 is about 1040.2021386552.

Adding to 1125520027 its reverse (7200255211), we get a palindrome (8325775238).

The spelling of 1125520027 in words is "one billion, one hundred twenty-five million, five hundred twenty thousand, twenty-seven".