125330125009 has 2 divisors, whose sum is σ = 125330125010. Its totient is φ = 125330125008.

The previous prime is 125330125001. The next prime is 125330125103. The reversal of 125330125009 is 900521033521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124958715025 + 371409984 = 353495^2 + 19272^2 .

It is a cyclic number.

It is not a de Polignac number, because 125330125009 - 2³ = 125330125001 is a prime.

It is not a weakly prime, because it can be changed into another prime (125330125001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62665062504 + 62665062505.

It is an arithmetic number, because the mean of its divisors is an integer number (62665062505).

Almost surely, 2^125330125009 is an apocalyptic number.

It is an amenable number.

125330125009 is a deficient number, since it is larger than the sum of its proper divisors (1).

125330125009 is an equidigital number, since it uses as much as digits as its factorization.

125330125009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 125330125009 in words is "one hundred twenty-five billion, three hundred thirty million, one hundred twenty-five thousand, nine".