125405701268 has 12 divisors (see below), whose sum is σ = 219582661620. Its totient is φ = 62667797952.

The previous prime is 125405701241. The next prime is 125405701361. The reversal of 125405701268 is 862107504521.

It can be written as a sum of positive squares in 2 ways, for example, as 110030197264 + 15375504004 = 331708^2 + 123998^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8755121 + ... + 8769432.

It is an arithmetic number, because the mean of its divisors is an integer number (18298555135).

Almost surely, 2^125405701268 is an apocalyptic number.

It is an amenable number.

125405701268 is a deficient number, since it is larger than the sum of its proper divisors (94176960352).

125405701268 is a wasteful number, since it uses less digits than its factorization.

125405701268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17526346 (or 17526344 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 125405701268 in words is "one hundred twenty-five billion, four hundred five million, seven hundred one thousand, two hundred sixty-eight".