125046321 has 16 divisors (see below), whose sum is σ = 169646400. Its totient is φ = 81911808.

The previous prime is 125046307. The next prime is 125046329. The reversal of 125046321 is 123640521.

It is not a de Polignac number, because 125046321 - 2¹¹ = 125044273 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125046291 and 125046300.

It is not an unprimeable number, because it can be changed into a prime (125046329) 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 15 ways as a sum of consecutive naturals, for example, 154165 + ... + 154973.

It is an arithmetic number, because the mean of its divisors is an integer number (10602900).

Almost surely, 2^125046321 is an apocalyptic number.

It is an amenable number.

125046321 is a deficient number, since it is larger than the sum of its proper divisors (44600079).

125046321 is an equidigital number, since it uses as much as digits as its factorization.

125046321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 125046321 is about 11182.4112337188. The cubic root of 125046321 is about 500.0617537060.

Adding to 125046321 its reverse (123640521), we get a palindrome (248686842).

The spelling of 125046321 in words is "one hundred twenty-five million, forty-six thousand, three hundred twenty-one".