125320876829 has 2 divisors, whose sum is σ = 125320876830. Its totient is φ = 125320876828.

The previous prime is 125320876823. The next prime is 125320876841. The reversal of 125320876829 is 928678023521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113700468025 + 11620408804 = 337195^2 + 107798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125320876829 is a prime.

It is a super-3 number, since 3×125320876829³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125320876823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62660438414 + 62660438415.

It is an arithmetic number, because the mean of its divisors is an integer number (62660438415).

Almost surely, 2^125320876829 is an apocalyptic number.

It is an amenable number.

125320876829 is a deficient number, since it is larger than the sum of its proper divisors (1).

125320876829 is an equidigital number, since it uses as much as digits as its factorization.

125320876829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 125320876829 in words is "one hundred twenty-five billion, three hundred twenty million, eight hundred seventy-six thousand, eight hundred twenty-nine".