125856214 has 12 divisors (see below), whose sum is σ = 207507132. Its totient is φ = 57207260.

The previous prime is 125856197. The next prime is 125856229. The reversal of 125856214 is 412658521.

It is a happy number.

It is a super-4 number, since 4×125856214⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125856214.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 259792 + ... + 260275.

It is an arithmetic number, because the mean of its divisors is an integer number (17292261).

Almost surely, 2^125856214 is an apocalyptic number.

125856214 is a deficient number, since it is larger than the sum of its proper divisors (81650918).

125856214 is a wasteful number, since it uses less digits than its factorization.

125856214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520091 (or 520080 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 125856214 is about 11218.5655945847. The cubic root of 125856214 is about 501.1390219543.

The spelling of 125856214 in words is "one hundred twenty-five million, eight hundred fifty-six thousand, two hundred fourteen".