125578216 has 16 divisors (see below), whose sum is σ = 236499840. Its totient is φ = 62511600.

The previous prime is 125578169. The next prime is 125578217. The reversal of 125578216 is 612875521.

It is a super-3 number, since 3×125578216³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125578217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32760 + ... + 36391.

It is an arithmetic number, because the mean of its divisors is an integer number (14781240).

Almost surely, 2^125578216 is an apocalyptic number.

It is an amenable number.

125578216 is a deficient number, since it is larger than the sum of its proper divisors (110921624).

125578216 is a wasteful number, since it uses less digits than its factorization.

125578216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69384 (or 69380 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 125578216 is about 11206.1686583774. The cubic root of 125578216 is about 500.7697689700.

The spelling of 125578216 in words is "one hundred twenty-five million, five hundred seventy-eight thousand, two hundred sixteen".