125432134105 has 8 divisors (see below), whose sum is σ = 150540864264. Its totient is φ = 100330838400.

The previous prime is 125432134103. The next prime is 125432134109. The reversal of 125432134105 is 501431234521.

It can be written as a sum of positive squares in 4 ways, for example, as 23643060169 + 101789073936 = 153763^2 + 319044^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125432134105 - 2¹ = 125432134103 is a prime.

It is a super-2 number, since 2×125432134105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125432134103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821426 + ... + 1889035.

It is an arithmetic number, because the mean of its divisors is an integer number (18817608033).

Almost surely, 2^125432134105 is an apocalyptic number.

It is an amenable number.

125432134105 is a deficient number, since it is larger than the sum of its proper divisors (25108730159).

125432134105 is an equidigital number, since it uses as much as digits as its factorization.

125432134105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717227.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 125432134105 its reverse (501431234521), we get a palindrome (626863368626).

The spelling of 125432134105 in words is "one hundred twenty-five billion, four hundred thirty-two million, one hundred thirty-four thousand, one hundred five".