125869447 has 8 divisors (see below), whose sum is σ = 139194000. Its totient is φ = 112858560.

The previous prime is 125869427. The next prime is 125869453. The reversal of 125869447 is 744968521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125869447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125869397 and 125869406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125869427) 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, 77572 + ... + 79177.

It is an arithmetic number, because the mean of its divisors is an integer number (17399250).

Almost surely, 2^125869447 is an apocalyptic number.

125869447 is a deficient number, since it is larger than the sum of its proper divisors (13324553).

125869447 is a wasteful number, since it uses less digits than its factorization.

125869447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156833.

The product of its digits is 483840, while the sum is 46.

The square root of 125869447 is about 11219.1553603647. The cubic root of 125869447 is about 501.1565852250.

The spelling of 125869447 in words is "one hundred twenty-five million, eight hundred sixty-nine thousand, four hundred forty-seven".