125051352131 has 4 divisors (see below), whose sum is σ = 125699286792. Its totient is φ = 124403417472.

The previous prime is 125051352121. The next prime is 125051352161. The reversal of 125051352131 is 131253150521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131253150521 = 83243 ⋅1576747.

It is a cyclic number.

It is not a de Polignac number, because 125051352131 - 2¹⁰ = 125051351107 is a prime.

It is a super-2 number, since 2×125051352131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125051352094 and 125051352103.

It is not an unprimeable number, because it can be changed into a prime (125051352121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323967041 + ... + 323967426.

It is an arithmetic number, because the mean of its divisors is an integer number (31424821698).

Almost surely, 2^125051352131 is an apocalyptic number.

125051352131 is a deficient number, since it is larger than the sum of its proper divisors (647934661).

125051352131 is an equidigital number, since it uses as much as digits as its factorization.

125051352131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647934660.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 125051352131 in words is "one hundred twenty-five billion, fifty-one million, three hundred fifty-two thousand, one hundred thirty-one".