125784473 has 4 divisors (see below), whose sum is σ = 125825280. Its totient is φ = 125743668.

The previous prime is 125784467. The next prime is 125784499. The reversal of 125784473 is 374487521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125784473 - 2²² = 121590169 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 125784473.

It is not an unprimeable number, because it can be changed into a prime (125784413) 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 3 ways as a sum of consecutive naturals, for example, 15365 + ... + 22082.

It is an arithmetic number, because the mean of its divisors is an integer number (31456320).

Almost surely, 2^125784473 is an apocalyptic number.

It is an amenable number.

125784473 is a deficient number, since it is larger than the sum of its proper divisors (40807).

125784473 is an equidigital number, since it uses as much as digits as its factorization.

125784473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40806.

The product of its digits is 188160, while the sum is 41.

The square root of 125784473 is about 11215.3677157729. The cubic root of 125784473 is about 501.0437835157.

The spelling of 125784473 in words is "one hundred twenty-five million, seven hundred eighty-four thousand, four hundred seventy-three".