125966455 has 8 divisors (see below), whose sum is σ = 151270704. Its totient is φ = 100699200.

The previous prime is 125966453. The next prime is 125966471. The reversal of 125966455 is 554669521.

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

It is not a de Polignac number, because 125966455 - 2¹ = 125966453 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 (125966453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 15910.

It is an arithmetic number, because the mean of its divisors is an integer number (18908838).

Almost surely, 2^125966455 is an apocalyptic number.

125966455 is a deficient number, since it is larger than the sum of its proper divisors (25304249).

125966455 is a wasteful number, since it uses less digits than its factorization.

125966455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18497.

The product of its digits is 324000, while the sum is 43.

The square root of 125966455 is about 11223.4778477974. The cubic root of 125966455 is about 501.2852998442.

The spelling of 125966455 in words is "one hundred twenty-five million, nine hundred sixty-six thousand, four hundred fifty-five".