125726401 has 8 divisors (see below), whose sum is σ = 133078400. Its totient is φ = 118447920.

The previous prime is 125726389. The next prime is 125726411. The reversal of 125726401 is 104627521.

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 125726401 - 2⁵ = 125726369 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 125726401.

It is not an unprimeable number, because it can be changed into a prime (125726411) 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 7 ways as a sum of consecutive naturals, for example, 14841 + ... + 21718.

It is an arithmetic number, because the mean of its divisors is an integer number (16634800).

Almost surely, 2^125726401 is an apocalyptic number.

It is an amenable number.

125726401 is a deficient number, since it is larger than the sum of its proper divisors (7351999).

125726401 is a wasteful number, since it uses less digits than its factorization.

125726401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36759.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 125726401 is about 11212.7784692288. The cubic root of 125726401 is about 500.9666645815.

The spelling of 125726401 in words is "one hundred twenty-five million, seven hundred twenty-six thousand, four hundred one".