125840304 has 100 divisors (see below), whose sum is σ = 368648280. Its totient is φ = 41437440.

The previous prime is 125840257. The next prime is 125840311. The reversal of 125840304 is 403048521.

125840304 is a `hidden beast` number, since 1 + 258 + 403 + 0 + 4 = 666.

It is a super-2 number, since 2×125840304² = 31671564221624832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114799 + ... + 115889.

Almost surely, 2^125840304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125840304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184324140).

125840304 is an abundant number, since it is smaller than the sum of its proper divisors (242807976).

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

125840304 is a wasteful number, since it uses less digits than its factorization.

125840304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 125840304 is about 11217.8564797380. The cubic root of 125840304 is about 501.1179040517.

Adding to 125840304 its reverse (403048521), we get a palindrome (528888825).

The spelling of 125840304 in words is "one hundred twenty-five million, eight hundred forty thousand, three hundred four".