125000011 has 8 divisors (see below), whose sum is σ = 128207024. Its totient is φ = 121806720.

The previous prime is 125000003. The next prime is 125000077. The reversal of 125000011 is 110000521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125000011 - 2³ = 125000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125040011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16471 + ... + 22831.

It is an arithmetic number, because the mean of its divisors is an integer number (16025878).

Almost surely, 2^125000011 is an apocalyptic number.

125000011 is a deficient number, since it is larger than the sum of its proper divisors (3207013).

125000011 is an equidigital number, since it uses as much as digits as its factorization.

125000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 125000011 is about 11180.3403794339. The cubic root of 125000011 is about 500.0000146667. Note that the first 4 decimals are identical.

Adding to 125000011 its reverse (110000521), we get a palindrome (235000532).

The spelling of 125000011 in words is "one hundred twenty-five million, eleven", and thus it is an aban number.