125294149 has 2 divisors, whose sum is σ = 125294150. Its totient is φ = 125294148.

The previous prime is 125294137. The next prime is 125294153. The reversal of 125294149 is 941492521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114105124 + 11189025 = 10682^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 125294149 - 2⁷ = 125294021 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125294129) 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, 62647074 + 62647075.

It is an arithmetic number, because the mean of its divisors is an integer number (62647075).

Almost surely, 2^125294149 is an apocalyptic number.

It is an amenable number.

125294149 is a deficient number, since it is larger than the sum of its proper divisors (1).

125294149 is an equidigital number, since it uses as much as digits as its factorization.

125294149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 125294149 is about 11193.4869008723. The cubic root of 125294149 is about 500.3918914286.

The spelling of 125294149 in words is "one hundred twenty-five million, two hundred ninety-four thousand, one hundred forty-nine".