125043734029 has 2 divisors, whose sum is σ = 125043734030. Its totient is φ = 125043734028.

The previous prime is 125043734027. The next prime is 125043734087. The reversal of 125043734029 is 920437340521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70757064004 + 54286670025 = 266002^2 + 232995^2 .

It is a cyclic number.

It is not a de Polignac number, because 125043734029 - 2¹ = 125043734027 is a prime.

Together with 125043734027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 125043733982 and 125043734000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125043734027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62521867014 + 62521867015.

It is an arithmetic number, because the mean of its divisors is an integer number (62521867015).

Almost surely, 2^125043734029 is an apocalyptic number.

It is an amenable number.

125043734029 is a deficient number, since it is larger than the sum of its proper divisors (1).

125043734029 is an equidigital number, since it uses as much as digits as its factorization.

125043734029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 125043734029 in words is "one hundred twenty-five billion, forty-three million, seven hundred thirty-four thousand, twenty-nine".