125006611 has 2 divisors, whose sum is σ = 125006612. Its totient is φ = 125006610.

The previous prime is 125006603. The next prime is 125006639. The reversal of 125006611 is 116600521.

It is a weak prime.

It is an emirp because it is prime and its reverse (116600521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125006611 - 2³ = 125006603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125006411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62503305 + 62503306.

It is an arithmetic number, because the mean of its divisors is an integer number (62503306).

Almost surely, 2^125006611 is an apocalyptic number.

125006611 is a deficient number, since it is larger than the sum of its proper divisors (1).

125006611 is an equidigital number, since it uses as much as digits as its factorization.

125006611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 125006611 is about 11180.6355364979. The cubic root of 125006611 is about 500.0088145113.

The spelling of 125006611 in words is "one hundred twenty-five million, six thousand, six hundred eleven".