125529107069 has 2 divisors, whose sum is σ = 125529107070. Its totient is φ = 125529107068.

The previous prime is 125529107063. The next prime is 125529107083. The reversal of 125529107069 is 960701925521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87965628100 + 37563478969 = 296590^2 + 193813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125529107069 is a prime.

It is a super-2 number, since 2×125529107069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125529107063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62764553534 + 62764553535.

It is an arithmetic number, because the mean of its divisors is an integer number (62764553535).

Almost surely, 2^125529107069 is an apocalyptic number.

It is an amenable number.

125529107069 is a deficient number, since it is larger than the sum of its proper divisors (1).

125529107069 is an equidigital number, since it uses as much as digits as its factorization.

125529107069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 125529107069 in words is "one hundred twenty-five billion, five hundred twenty-nine million, one hundred seven thousand, sixty-nine".