125405701267 has 16 divisors (see below), whose sum is σ = 156361588992. Its totient is φ = 97711463520.

The previous prime is 125405701241. The next prime is 125405701361. The reversal of 125405701267 is 762107504521.

It is not a de Polignac number, because 125405701267 - 2¹¹ = 125405699219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125405701207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133968 + ... + 1239634.

It is an arithmetic number, because the mean of its divisors is an integer number (9772599312).

Almost surely, 2^125405701267 is an apocalyptic number.

125405701267 is a deficient number, since it is larger than the sum of its proper divisors (30955887725).

125405701267 is a wasteful number, since it uses less digits than its factorization.

125405701267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121098.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 125405701267 in words is "one hundred twenty-five billion, four hundred five million, seven hundred one thousand, two hundred sixty-seven".