125333321 has 2 divisors, whose sum is σ = 125333322. Its totient is φ = 125333320.

The previous prime is 125333317. The next prime is 125333339. The reversal of 125333321 is 123333521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79905721 + 45427600 = 8939^2 + 6740^2 .

It is a cyclic number.

It is not a de Polignac number, because 125333321 - 2² = 125333317 is a prime.

It is not a weakly prime, because it can be changed into another prime (125333821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62666660 + 62666661.

It is an arithmetic number, because the mean of its divisors is an integer number (62666661).

Almost surely, 2^125333321 is an apocalyptic number.

It is an amenable number.

125333321 is a deficient number, since it is larger than the sum of its proper divisors (1).

125333321 is an equidigital number, since it uses as much as digits as its factorization.

125333321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 23.

The square root of 125333321 is about 11195.2365316683. The cubic root of 125333321 is about 500.4440335517. Note that the first 3 decimals are identical.

Adding to 125333321 its reverse (123333521), we get a palindrome (248666842).

The spelling of 125333321 in words is "one hundred twenty-five million, three hundred thirty-three thousand, three hundred twenty-one".