125802442 has 16 divisors (see below), whose sum is σ = 195234120. Its totient is φ = 60749568.

The previous prime is 125802407. The next prime is 125802451. The reversal of 125802442 is 244208521.

It can be written as a sum of positive squares in 4 ways, for example, as 103815721 + 21986721 = 10189^2 + 4689^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125802442.

It is an unprimeable number.

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, 3934 + ... + 16342.

Almost surely, 2^125802442 is an apocalyptic number.

125802442 is a deficient number, since it is larger than the sum of its proper divisors (69431678).

125802442 is a wasteful number, since it uses less digits than its factorization.

125802442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12585.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 125802442 is about 11216.1687754777. The cubic root of 125802442 is about 501.0676413280.

The spelling of 125802442 in words is "one hundred twenty-five million, eight hundred two thousand, four hundred forty-two".