125174842 has 32 divisors (see below), whose sum is σ = 215469072. Its totient is φ = 54027264.

The previous prime is 125174839. The next prime is 125174843. The reversal of 125174842 is 248471521.

It can be written as a sum of positive squares in 8 ways, for example, as 48594841 + 76580001 = 6971^2 + 8751^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 125174798 and 125174807.

It is not an unprimeable number, because it can be changed into a prime (125174843) 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 15 ways as a sum of consecutive naturals, for example, 75648 + ... + 77284.

Almost surely, 2^125174842 is an apocalyptic number.

125174842 is a deficient number, since it is larger than the sum of its proper divisors (90294230).

125174842 is a wasteful number, since it uses less digits than its factorization.

125174842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842.

The product of its digits is 17920, while the sum is 34.

The square root of 125174842 is about 11188.1563271166. The cubic root of 125174842 is about 500.2330140587.

The spelling of 125174842 in words is "one hundred twenty-five million, one hundred seventy-four thousand, eight hundred forty-two".