125354249 has 2 divisors, whose sum is σ = 125354250. Its totient is φ = 125354248.

The previous prime is 125354239. The next prime is 125354303. The reversal of 125354249 is 942453521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96924025 + 28430224 = 9845^2 + 5332^2 .

It is a cyclic number.

It is not a de Polignac number, because 125354249 - 2²⁰ = 124305673 is a prime.

It is not a weakly prime, because it can be changed into another prime (125354239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62677124 + 62677125.

It is an arithmetic number, because the mean of its divisors is an integer number (62677125).

Almost surely, 2^125354249 is an apocalyptic number.

It is an amenable number.

125354249 is a deficient number, since it is larger than the sum of its proper divisors (1).

125354249 is an equidigital number, since it uses as much as digits as its factorization.

125354249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 125354249 is about 11196.1711758976. The cubic root of 125354249 is about 500.4718865061.

The spelling of 125354249 in words is "one hundred twenty-five million, three hundred fifty-four thousand, two hundred forty-nine".