125105023429 has 2 divisors, whose sum is σ = 125105023430. Its totient is φ = 125105023428.

The previous prime is 125105023411. The next prime is 125105023441. The reversal of 125105023429 is 924320501521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67692071329 + 57412952100 = 260177^2 + 239610^2 .

It is a cyclic number.

It is not a de Polignac number, because 125105023429 - 2²³ = 125096634821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125105023394 and 125105023403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125105023409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62552511714 + 62552511715.

It is an arithmetic number, because the mean of its divisors is an integer number (62552511715).

Almost surely, 2^125105023429 is an apocalyptic number.

It is an amenable number.

125105023429 is a deficient number, since it is larger than the sum of its proper divisors (1).

125105023429 is an equidigital number, since it uses as much as digits as its factorization.

125105023429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 125105023429 in words is "one hundred twenty-five billion, one hundred five million, twenty-three thousand, four hundred twenty-nine".