125402273 has 2 divisors, whose sum is σ = 125402274. Its totient is φ = 125402272.

The previous prime is 125402267. The next prime is 125402311. The reversal of 125402273 is 372204521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78712384 + 46689889 = 8872^2 + 6833^2 .

It is a cyclic number.

It is not a de Polignac number, because 125402273 - 2¹⁴ = 125385889 is a prime.

It is not a weakly prime, because it can be changed into another prime (125408273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62701136 + 62701137.

It is an arithmetic number, because the mean of its divisors is an integer number (62701137).

Almost surely, 2^125402273 is an apocalyptic number.

It is an amenable number.

125402273 is a deficient number, since it is larger than the sum of its proper divisors (1).

125402273 is an equidigital number, since it uses as much as digits as its factorization.

125402273 is an evil number, because the sum of its binary digits is even.

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

The square root of 125402273 is about 11198.3156322726. The cubic root of 125402273 is about 500.5357896538.

Adding to 125402273 its reverse (372204521), we get a palindrome (497606794).

The spelling of 125402273 in words is "one hundred twenty-five million, four hundred two thousand, two hundred seventy-three".