126525105697 has 8 divisors (see below), whose sum is σ = 126705811176. Its totient is φ = 126344456832.

The previous prime is 126525105677. The next prime is 126525105737. The reversal of 126525105697 is 796501525621.

It can be written as a sum of positive squares in 4 ways, for example, as 32379843136 + 94145262561 = 179944^2 + 306831^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 126525105697 - 2⁷ = 126525105569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126525105697.

It is not an unprimeable number, because it can be changed into a prime (126525105677) 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, 6555253 + ... + 6574525.

It is an arithmetic number, because the mean of its divisors is an integer number (15838226397).

Almost surely, 2^126525105697 is an apocalyptic number.

It is an amenable number.

126525105697 is a deficient number, since it is larger than the sum of its proper divisors (180705479).

126525105697 is an equidigital number, since it uses as much as digits as its factorization.

126525105697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28307.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 126525105697 in words is "one hundred twenty-six billion, five hundred twenty-five million, one hundred five thousand, six hundred ninety-seven".