125471742 has 16 divisors (see below), whose sum is σ = 273756672. Its totient is φ = 38021720.

The previous prime is 125471741. The next prime is 125471779. The reversal of 125471742 is 247174521.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125471741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950478 + ... + 950609.

It is an arithmetic number, because the mean of its divisors is an integer number (17109792).

Almost surely, 2^125471742 is an apocalyptic number.

125471742 is an abundant number, since it is smaller than the sum of its proper divisors (148284930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125471742 is a wasteful number, since it uses less digits than its factorization.

125471742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901103.

The product of its digits is 15680, while the sum is 33.

The square root of 125471742 is about 11201.4169639381. The cubic root of 125471742 is about 500.6281997330.

The spelling of 125471742 in words is "one hundred twenty-five million, four hundred seventy-one thousand, seven hundred forty-two".