125220353 has 2 divisors, whose sum is σ = 125220354. Its totient is φ = 125220352.

The previous prime is 125220313. The next prime is 125220367. The reversal of 125220353 is 353022521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108014449 + 17205904 = 10393^2 + 4148^2 .

It is a cyclic number.

It is not a de Polignac number, because 125220353 - 2⁸ = 125220097 is a prime.

It is not a weakly prime, because it can be changed into another prime (125220313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62610176 + 62610177.

It is an arithmetic number, because the mean of its divisors is an integer number (62610177).

Almost surely, 2^125220353 is an apocalyptic number.

It is an amenable number.

125220353 is a deficient number, since it is larger than the sum of its proper divisors (1).

125220353 is an equidigital number, since it uses as much as digits as its factorization.

125220353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 125220353 is about 11190.1900341326. The cubic root of 125220353 is about 500.2936315273.

Adding to 125220353 its reverse (353022521), we get a palindrome (478242874).

The spelling of 125220353 in words is "one hundred twenty-five million, two hundred twenty thousand, three hundred fifty-three".