125006131 has 8 divisors (see below), whose sum is σ = 126859824. Its totient is φ = 123164160.

The previous prime is 125006129. The next prime is 125006159. The reversal of 125006131 is 131600521.

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 125006131 - 2¹ = 125006129 is a prime.

It is a super-2 number, since 2×125006131² = 31253065575178322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125006099 and 125006108.

It is not an unprimeable number, because it can be changed into a prime (125007131) 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, 19836 + ... + 25366.

It is an arithmetic number, because the mean of its divisors is an integer number (15857478).

Almost surely, 2^125006131 is an apocalyptic number.

125006131 is a deficient number, since it is larger than the sum of its proper divisors (1853693).

125006131 is an equidigital number, since it uses as much as digits as its factorization.

125006131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 125006131 is about 11180.6140707924. The cubic root of 125006131 is about 500.0081745330.

Adding to 125006131 its reverse (131600521), we get a palindrome (256606652).

The spelling of 125006131 in words is "one hundred twenty-five million, six thousand, one hundred thirty-one".