125997607 has 8 divisors (see below), whose sum is σ = 133061760. Its totient is φ = 118976760.

The previous prime is 125997581. The next prime is 125997623. The reversal of 125997607 is 706799521.

It is a happy number.

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 125997607 - 2¹¹ = 125995559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125997637) 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, 4753 + ... + 16570.

It is an arithmetic number, because the mean of its divisors is an integer number (16632720).

Almost surely, 2^125997607 is an apocalyptic number.

125997607 is a deficient number, since it is larger than the sum of its proper divisors (7064153).

125997607 is a wasteful number, since it uses less digits than its factorization.

125997607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21653.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 125997607 is about 11224.8655671237. The cubic root of 125997607 is about 501.3266197139.

The spelling of 125997607 in words is "one hundred twenty-five million, nine hundred ninety-seven thousand, six hundred seven".