125844402 has 16 divisors (see below), whose sum is σ = 257542560. Its totient is φ = 40972512.

The previous prime is 125844401. The next prime is 125844491. The reversal of 125844402 is 204448521.

It is a self number, because there is not a number n which added to its sum of digits gives 125844402.

It is not an unprimeable number, because it can be changed into a prime (125844401) 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, 243627 + ... + 244142.

It is an arithmetic number, because the mean of its divisors is an integer number (16096410).

Almost surely, 2^125844402 is an apocalyptic number.

125844402 is an abundant number, since it is smaller than the sum of its proper divisors (131698158).

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

125844402 is a wasteful number, since it uses less digits than its factorization.

125844402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487817.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 125844402 is about 11218.0391334671. The cubic root of 125844402 is about 501.1233436414.

The spelling of 125844402 in words is "one hundred twenty-five million, eight hundred forty-four thousand, four hundred two".