125821382 has 8 divisors (see below), whose sum is σ = 198665400. Its totient is φ = 59599584.

The previous prime is 125821373. The next prime is 125821387. The reversal of 125821382 is 283128521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125821387) 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, 1655507 + ... + 1655582.

It is an arithmetic number, because the mean of its divisors is an integer number (24833175).

Almost surely, 2^125821382 is an apocalyptic number.

125821382 is a deficient number, since it is larger than the sum of its proper divisors (72844018).

125821382 is a wasteful number, since it uses less digits than its factorization.

125821382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311110.

The product of its digits is 7680, while the sum is 32.

The square root of 125821382 is about 11217.0130605255. The cubic root of 125821382 is about 501.0927858980.

The spelling of 125821382 in words is "one hundred twenty-five million, eight hundred twenty-one thousand, three hundred eighty-two".