125248081 has 4 divisors (see below), whose sum is σ = 143140672. Its totient is φ = 107355492.

The previous prime is 125248051. The next prime is 125248111. The reversal of 125248081 is 180842521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180842521 = 29 ⋅6235949.

It is an interprime number because it is at equal distance from previous prime (125248051) and next prime (125248111).

It is a cyclic number.

It is not a de Polignac number, because 125248081 - 2⁷ = 125247953 is a prime.

It is a super-2 number, since 2×125248081² = 31374163588365122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125248001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8946285 + ... + 8946298.

It is an arithmetic number, because the mean of its divisors is an integer number (35785168).

Almost surely, 2^125248081 is an apocalyptic number.

It is an amenable number.

125248081 is a deficient number, since it is larger than the sum of its proper divisors (17892591).

125248081 is an equidigital number, since it uses as much as digits as its factorization.

125248081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17892590.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 125248081 is about 11191.4289078741. The cubic root of 125248081 is about 500.3305560839.

The spelling of 125248081 in words is "one hundred twenty-five million, two hundred forty-eight thousand, eighty-one".