125213027 has 2 divisors, whose sum is σ = 125213028. Its totient is φ = 125213026.

The previous prime is 125213009. The next prime is 125213047. The reversal of 125213027 is 720312521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125213027 - 2⁶ = 125212963 is a prime.

It is equal to p_7121525 and since 125213027 and 7121525 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 125212993 and 125213011.

It is not a weakly prime, because it can be changed into another prime (125213047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62606513 + 62606514.

It is an arithmetic number, because the mean of its divisors is an integer number (62606514).

Almost surely, 2^125213027 is an apocalyptic number.

125213027 is a deficient number, since it is larger than the sum of its proper divisors (1).

125213027 is an equidigital number, since it uses as much as digits as its factorization.

125213027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 125213027 is about 11189.8626890592. The cubic root of 125213027 is about 500.2838747997.

Adding to 125213027 its reverse (720312521), we get a palindrome (845525548).

The spelling of 125213027 in words is "one hundred twenty-five million, two hundred thirteen thousand, twenty-seven".