125204273 has 2 divisors, whose sum is σ = 125204274. Its totient is φ = 125204272.

The previous prime is 125204239. The next prime is 125204279. The reversal of 125204273 is 372402521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114661264 + 10543009 = 10708^2 + 3247^2 .

It is a cyclic number.

It is not a de Polignac number, because 125204273 - 2¹⁶ = 125138737 is a prime.

It is a super-2 number, since 2×125204273² = 31352219954917058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125204279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62602136 + 62602137.

It is an arithmetic number, because the mean of its divisors is an integer number (62602137).

Almost surely, 2^125204273 is an apocalyptic number.

It is an amenable number.

125204273 is a deficient number, since it is larger than the sum of its proper divisors (1).

125204273 is an equidigital number, since it uses as much as digits as its factorization.

125204273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 125204273 is about 11189.4715246074. The cubic root of 125204273 is about 500.2722157703.

Adding to 125204273 its reverse (372402521), we get a palindrome (497606794).

The spelling of 125204273 in words is "one hundred twenty-five million, two hundred four thousand, two hundred seventy-three".